diff --git a/visual_workflow_builder/frontend_v4/src/components/CapturePanel.tsx b/visual_workflow_builder/frontend_v4/src/components/CapturePanel.tsx
index 0cd32c788..9d6b26eb3 100644
--- a/visual_workflow_builder/frontend_v4/src/components/CapturePanel.tsx
+++ b/visual_workflow_builder/frontend_v4/src/components/CapturePanel.tsx
@@ -64,6 +64,7 @@ export default function CapturePanel({
   const [previewScale, setPreviewScale] = useState({ x: 1, y: 1 });
 
   const isDebugMode = executionMode === 'debug';
+  const [libraryLoaded, setLibraryLoaded] = useState(false);
 
   // Charger la bibliotheque depuis le backend (prioritaire), fallback localStorage.
   useEffect(() => {
@@ -77,13 +78,16 @@ export default function CapturePanel({
               : item.timestamp,
         }))
       );
+      setLibraryLoaded(true);
     });
   }, []);
 
-  // Sauvegarder la bibliotheque (localStorage + backend)
+  // Sauvegarder la bibliotheque SEULEMENT après le chargement initial
   useEffect(() => {
-    saveLibrary(library);
-  }, [library]);
+    if (libraryLoaded) {
+      saveLibrary(library);
+    }
+  }, [library, libraryLoaded]);
 
   // Ajouter capture a la bibliotheque (thumbnail compresse JPEG 320x240)
   useEffect(() => {