diff --git a/phase4-lib/src/main/java/com/helger/phase4/config/AS4Configuration.java b/phase4-lib/src/main/java/com/helger/phase4/config/AS4Configuration.java
index 3b451c74b..18e202412 100644
--- a/phase4-lib/src/main/java/com/helger/phase4/config/AS4Configuration.java
+++ b/phase4-lib/src/main/java/com/helger/phase4/config/AS4Configuration.java
@@ -297,6 +297,7 @@ public static String getThisEndpointAddress ()
   public static boolean isIncludeStackTraceInErrorMessages ()
   {
     // Defaults to true for backwards compatibility reason
-    return getConfig ().getAsBoolean ("phase4.errormsg.include.stacktraces", true);
+    // Changed default to false in v3.0.2
+    return getConfig ().getAsBoolean ("phase4.errormsg.include.stacktraces", false);
   }
 }