diff --git a/plugins/org.eclipse.dd.examples.pda/src/org/eclipse/dd/examples/pda/service/PDAExpressions.java b/plugins/org.eclipse.dd.examples.pda/src/org/eclipse/dd/examples/pda/service/PDAExpressions.java
index 9201dbbda79..9a3b53e7c02 100644
--- a/plugins/org.eclipse.dd.examples.pda/src/org/eclipse/dd/examples/pda/service/PDAExpressions.java
+++ b/plugins/org.eclipse.dd.examples.pda/src/org/eclipse/dd/examples/pda/service/PDAExpressions.java
@@ -467,6 +467,7 @@ public class PDAExpressions extends AbstractDsfService implements ICachingServic
             }
         } catch (NumberFormatException e) {
             PDAPlugin.failRequest(rm, INVALID_HANDLE, "Value not formatted properly");
+            return;
         }
         
         final String exprValue = value != null ? value : formattedExprValue;