diff --git a/designer_base/src/com/fr/design/extra/exe/callback/JSCallback.java b/designer_base/src/com/fr/design/extra/exe/callback/JSCallback.java
index a46f73b30..c246ebfa8 100644
--- a/designer_base/src/com/fr/design/extra/exe/callback/JSCallback.java
+++ b/designer_base/src/com/fr/design/extra/exe/callback/JSCallback.java
@@ -22,7 +22,7 @@ public class JSCallback {
     public void init(final WebEngine webEngine, final JSObject callback){
         executeScript = new JSExecutor() {
             @Override
-            public void executor(String newValue) {
+            public void executor(final String newValue) {
                 Platform.runLater(new Runnable() {
                     @Override
                     public void run() {