diff --git a/rollbar-api/src/main/java/com/rollbar/api/payload/data/Data.java b/rollbar-api/src/main/java/com/rollbar/api/payload/data/Data.java
index 64570f82..530999d0 100755
--- a/rollbar-api/src/main/java/com/rollbar/api/payload/data/Data.java
+++ b/rollbar-api/src/main/java/com/rollbar/api/payload/data/Data.java
@@ -309,6 +309,8 @@ public Map<String, Object> asJson() {
       values.put("notifier", notifier);
     }
 
+    values.put("is_uncaught", isUncaught);
+
     return values;
   }
 
diff --git a/rollbar-api/src/test/java/com/rollbar/api/payload/data/DataTest.java b/rollbar-api/src/test/java/com/rollbar/api/payload/data/DataTest.java
index ef65209d..e05be047 100644
--- a/rollbar-api/src/test/java/com/rollbar/api/payload/data/DataTest.java
+++ b/rollbar-api/src/test/java/com/rollbar/api/payload/data/DataTest.java
@@ -80,6 +80,8 @@ public void shouldReturnAsJson() {
       expected.put("notifier", data.getNotifier());
     }
 
+    expected.put("is_uncaught", data.isUncaught());
+    
     assertThat(data.asJson(), is(expected));
   }
 }