diff --git a/Makefile b/Makefile
index 5502d796aa..ebc5a7c18b 100644
--- a/Makefile
+++ b/Makefile
@@ -18,9 +18,13 @@ CGO_ENABLED=0
 GOOS=linux
 
 build:
-	./hack/build.sh
+	./hack/build.sh -f
 .PHONY: build
 
+test-unit:
+	go test -v ./pkg/...
+.PHONY: test-unit
+
 test-e2e:
 	./openshift/e2e-tests-openshift.sh
 .PHONY: test-e2e
diff --git a/openshift/e2e-tests-openshift.sh b/openshift/e2e-tests-openshift.sh
index 0bc2c80cf1..b663a7ddf3 100755
--- a/openshift/e2e-tests-openshift.sh
+++ b/openshift/e2e-tests-openshift.sh
@@ -167,7 +167,7 @@ function create_test_namespace(){
 
 function build_knative_client() {
   failed=0
-  ./hack/build.sh || failed=1
+  ./hack/build.sh -f || failed=1
   return $failed
 }