diff --git a/apps/workflow/app/src/main/java/org/onosproject/workflow/cli/WorkFlowEventMapCommand.java b/apps/workflow/app/src/main/java/org/onosproject/workflow/cli/WorkFlowEventMapCommand.java
index e23e97d..5240252 100644
--- a/apps/workflow/app/src/main/java/org/onosproject/workflow/cli/WorkFlowEventMapCommand.java
+++ b/apps/workflow/app/src/main/java/org/onosproject/workflow/cli/WorkFlowEventMapCommand.java
@@ -51,7 +51,7 @@
                     try {
                         print(mapper.writerWithDefaultPrettyPrinter().writeValueAsString(tree));
                     } catch (JsonProcessingException e) {
-                        error(e.getMessage() + ", trace: " + Arrays.asList(e.getStackTrace()));
+                        error("Exception: " + e.getMessage() + ", trace: " + Arrays.asList(e.getStackTrace()));
                     }
                     break;