diff --git a/kura/org.eclipse.kura.web2/src/main/java/org/eclipse/kura/web/server/GwtDriverAndAssetServiceImpl.java b/kura/org.eclipse.kura.web2/src/main/java/org/eclipse/kura/web/server/GwtDriverAndAssetServiceImpl.java
index 3ada0be0143..b9328f5b454 100644
--- a/kura/org.eclipse.kura.web2/src/main/java/org/eclipse/kura/web/server/GwtDriverAndAssetServiceImpl.java
+++ b/kura/org.eclipse.kura.web2/src/main/java/org/eclipse/kura/web/server/GwtDriverAndAssetServiceImpl.java
@@ -215,9 +215,6 @@ private static void fillErrorData(final ChannelStatus status, final GwtChannelRe
         }
 
         if (exceptionMessage != null && !exceptionMessage.equals(userMessage)) {
-            if (userMessage != null) {
-                exceptionMessageBuilder.append(" - ");
-            }
             exceptionMessageBuilder.append(exceptionMessage);
         }