diff --git a/commands/activation.go b/commands/activation.go
index dcf1ffa94..9c0fe2076 100644
--- a/commands/activation.go
+++ b/commands/activation.go
@@ -387,6 +387,9 @@ var activationPollCmd = &cobra.Command{
 					printJSON(activation.Logs)
 					reported[activation.ActivationID] = true
 				}
+				if activation.Start > pollSince {
+					pollSince = activation.Start
+				}
 			}
 			time.Sleep(time.Second * 2)
 		}
diff --git a/tests/src/test/scala/system/basic/HttpProxy.scala b/tests/src/test/scala/system/basic/HttpProxy.scala
new file mode 100644
index 000000000..c0aa0e899
--- /dev/null
+++ b/tests/src/test/scala/system/basic/HttpProxy.scala
@@ -0,0 +1,117 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package system.basic
+import java.net.ServerSocket
+
+import akka.http.scaladsl.{Http, HttpsConnectionContext}
+import akka.http.scaladsl.model.{HttpRequest, HttpResponse, Uri}
+import akka.http.scaladsl.model.Uri.Authority
+import akka.http.scaladsl.server.Route
+import akka.stream.ActorMaterializer
+import akka.stream.scaladsl.{Sink, Source}
+import com.typesafe.sslconfig.akka.AkkaSSLConfig
+import common.{WskActorSystem, WskProps}
+import common.rest.{AcceptAllHostNameVerifier, SSL}
+import javax.net.ssl.HostnameVerifier
+import org.scalatest.Suite
+import org.scalatest.concurrent.ScalaFutures
+
+import scala.collection.mutable.ListBuffer
+import scala.concurrent.duration._
+
+/**
+ * A minimal reverse proxy implementation for test purpose which intercepts the
+ * request and responses and then make them available to test for validation.
+ *
+ * It also allows connecting to https endpoint while still expose a http endpoint
+ * to local client
+ */
+trait HttpProxy extends WskActorSystem with ScalaFutures {
+  self: Suite =>
+
+  implicit val materializer: ActorMaterializer = ActorMaterializer()
+  implicit val testConfig: PatienceConfig = PatienceConfig(1.minute)
+
+  def withProxy(check: (WskProps, ListBuffer[(HttpRequest, HttpResponse)]) => Unit)(implicit wp: WskProps): Unit = {
+    val uri = getTargetUri(wp)
+    val requests = new ListBuffer[(HttpRequest, HttpResponse)]
+    val port = freePort()
+    val proxy = Route { context =>
+      val request = context.request
+      val handler = Source
+        .single(proxyRequest(request, uri))
+        .via(makeHttpFlow(uri))
+        .runWith(Sink.head)
+        .map { response =>
+          requests += ((request, response))
+          response
+        }
+        .flatMap(context.complete(_))
+      handler
+    }
+
+    val binding = Http(actorSystem).bindAndHandle(handler = proxy, interface = "localhost", port = port)
+    binding.map { b =>
+      val proxyProps = wp.copy(apihost = s"http://localhost:$port")
+      check(proxyProps, requests)
+      b.unbind()
+    }.futureValue
+  }
+
+  private def getTargetUri(wp: WskProps) = {
+    // startsWith(http) includes https
+    if (wp.apihost.startsWith("http")) {
+      Uri(wp.apihost)
+    } else {
+      Uri().withScheme("https").withHost(wp.apihost)
+    }
+  }
+
+  private def makeHttpFlow(uri: Uri) = {
+    if (uri.scheme == "https") {
+      //Use ssl config which does not validate anything
+      Http(actorSystem).outgoingConnectionHttps(
+        uri.authority.host.address(),
+        uri.effectivePort,
+        connectionContext = httpsConnectionContext())
+    } else {
+      Http(actorSystem).outgoingConnection(uri.authority.host.address(), uri.effectivePort)
+    }
+  }
+
+  private def httpsConnectionContext() = {
+    val sslConfig = AkkaSSLConfig().mapSettings { s =>
+      s.withHostnameVerifierClass(classOf[AcceptAllHostNameVerifier].asInstanceOf[Class[HostnameVerifier]])
+    }
+    //SSL.httpsConnectionContext initializes config which is not there in cli test
+    //So inline the flow as we do not need client auth for this case
+    new HttpsConnectionContext(SSL.nonValidatingContext(false), Some(sslConfig))
+  }
+
+  private def proxyRequest(req: HttpRequest, uri: Uri): HttpRequest = {
+    //https://github.com/akka/akka-http/issues/64
+    req
+      .copy(headers = req.headers.filterNot(h => h.is("timeout-access")))
+      .copy(uri = req.uri.copy(scheme = "", authority = Authority.Empty)) //Strip the authority as it refers to proxy
+  }
+
+  private def freePort(): Int = {
+    val socket = new ServerSocket(0)
+    try socket.getLocalPort
+    finally if (socket != null) socket.close()
+  }
+}
diff --git a/tests/src/test/scala/system/basic/WskCliActivationTests.scala b/tests/src/test/scala/system/basic/WskCliActivationTests.scala
new file mode 100644
index 000000000..3cd407a39
--- /dev/null
+++ b/tests/src/test/scala/system/basic/WskCliActivationTests.scala
@@ -0,0 +1,103 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package system.basic
+
+import akka.stream.scaladsl.{Sink, Source}
+import common.rest.WskRestOperations
+import common.{TestHelpers, TestUtils, Wsk, WskProps, WskTestHelpers}
+import org.junit.runner.RunWith
+import org.scalatest.junit.JUnitRunner
+import spray.json.DefaultJsonProtocol._
+import spray.json._
+
+import scala.concurrent._
+import scala.concurrent.duration._
+import scala.concurrent.Future
+
+@RunWith(classOf[JUnitRunner])
+class WskCliActivationTests extends TestHelpers with WskTestHelpers with HttpProxy {
+  val wsk = new Wsk
+  val wskRest = new WskRestOperations
+  val defaultAction = Some(TestUtils.getTestActionFilename("hello.js"))
+
+  behavior of "Wsk poll"
+
+  implicit val wskprops: WskProps = WskProps()
+
+  it should "change the since time as it polls" in withAssetCleaner(wskprops) {
+    val name = "pollTest"
+    (wp, assetHelper) =>
+      assetHelper.withCleaner(wsk.action, name) { (action, _) =>
+        action.create(name, Some(TestUtils.getTestActionFilename("hello.js")))
+      }
+
+      val args = Map("payload" -> "test".toJson)
+      //This test spin up 2 parallel tasks
+      // 1. Perform blocking invocations with 1 second interval
+      // 2. Perform poll to pick up those activation results
+      // For poll it inserts a proxy which intercepts the request sent to server
+      // and then it asserts if the request sent have there `since` time getting changed or not
+      withProxy { (proxyProps, requests) =>
+        //It may taken some time for the activations to show up in poll result
+        //based on view lag. So keep a bit longer time span for the poll
+        val pollDuration = 10.seconds
+        println(s"Running poll for $pollDuration")
+
+        val consoleFuture = Future {
+          //pass the `proxyProps` such that calls from poll cli command go via our proxy
+          wsk.activation.console(pollDuration, actionName = Some(name))(proxyProps)
+        }
+
+        val runsFuture = Source(1 to 5)
+          .map { _ =>
+            val r = wskRest.action.invoke(name, args, blocking = true)
+            Thread.sleep(2.second.toMillis)
+            r
+          }
+          .runWith(Sink.seq)
+
+        val f = for {
+          rr <- runsFuture
+          cr <- consoleFuture
+        } yield (cr, rr)
+
+        val (consoleResult, runResult) = Await.result(f, 1.minute)
+
+        val activations = runResult.filter(_.statusCode.isSuccess()).map(_.respData.parseJson.asJsObject)
+        val ids = activations.flatMap(_.fields.get("activationId").map(_.convertTo[String]))
+        val idsInPoll = ids.filter(consoleResult.stdout.contains(_))
+
+        //There should be more than 1 activationId in common between poll output
+        //and actual invoked actions output
+        //This is required to ensure that since time can change which would only
+        //happen if more than one activation result is picked up in poll
+        withClue(
+          s"activations received ${activations.mkString("\n")}, console output $consoleResult. Expecting" +
+            s"more than one matching activation between these 2") {
+          idsInPoll.size should be > 1
+
+          //Collect the 'since' value passed during poll requests
+          val sinceTimes = requests.map(_._1.uri.query()).flatMap(_.get("since")).toSet
+
+          withClue(s"value of 'since' $sinceTimes should have changed") {
+            sinceTimes.size should be > 1
+          }
+        }
+      }
+  }
+
+}