Index: gc_lang/fr/webext/background.js
==================================================================
--- gc_lang/fr/webext/background.js
+++ gc_lang/fr/webext/background.js
@@ -63,11 +63,12 @@
             case "setOptions":
             case "setOption":
                 storeGCOptions(result);
                 break;
             case "setDictionary":
-                console.log("[background] " + sActionDone + ": " + result);
+            case "setDictionaryOnOff":
+                //console.log("[background] " + sActionDone + ": " + result);
                 break;
             default:
                 console.log("[background] Unknown command: " + sActionDone);
                 console.log(e.data);
         }

Index: gc_lang/fr/webext/gce_worker.js
==================================================================
--- gc_lang/fr/webext/gce_worker.js
+++ gc_lang/fr/webext/gce_worker.js
@@ -363,11 +363,11 @@
             }
             break;
         default:
             console.log("[worker] setDictionaryOnOff: Unknown dictionary <"+sDictionary+">");
     }
-    postMessage(createResponse("setDictionary", true, dInfo, true));
+    postMessage(createResponse("setDictionaryOnOff", true, dInfo, true));
 }
 
 function getSpellSuggestions (sWord, dInfo) {
     if (!oSpellChecker) {
         postMessage(createResponse("getSpellSuggestions", "# Error. SpellChecker not loaded.", dInfo, true));