diff --git a/packages/eez-studio-types/index.d.ts b/packages/eez-studio-types/index.d.ts
index 5bcb028f..8e45c611 100644
--- a/packages/eez-studio-types/index.d.ts
+++ b/packages/eez-studio-types/index.d.ts
@@ -511,6 +511,7 @@ interface AssetsMap {
     displayHeight: number;
     bitmaps: string[];
     lvglWidgetIndexes: { [identifier: string]: number };
+    lvglWidgetGeneratedIdentifiers: { [objId: string]: string };
 }
 
 export interface ScpiCommand {
diff --git a/packages/project-editor/build/assets.ts b/packages/project-editor/build/assets.ts
index 70b36787..a55f7609 100644
--- a/packages/project-editor/build/assets.ts
+++ b/packages/project-editor/build/assets.ts
@@ -161,7 +161,8 @@ export class Assets {
         displayWidth: this.displayWidth,
         displayHeight: this.displayHeight,
         bitmaps: [],
-        lvglWidgetIndexes: {}
+        lvglWidgetIndexes: {},
+        lvglWidgetGeneratedIdentifiers: {}
     };
 
     dashboardComponentClassNameToComponentIdMap: {
diff --git a/packages/project-editor/lvgl/build.ts b/packages/project-editor/lvgl/build.ts
index 603039bf..ef23b9e8 100644
--- a/packages/project-editor/lvgl/build.ts
+++ b/packages/project-editor/lvgl/build.ts
@@ -152,24 +152,31 @@ export class LVGLBuild extends Build {
             return GENERATED_NAME_PREFIX + genIndex++;
         }
 
-        function addPageIdentifiers(
+        const addPageIdentifiers = (
             widgets: LVGLWidget[],
             pageIdentifiers: Identifiers,
             prefix: string,
             isUserWidget: boolean
-        ) {
+        ) => {
             let startIndex = isUserWidget
                 ? pageIdentifiers.identifiers.length
                 : 0;
 
             for (const widget of widgets) {
-                const identifier = widget.identifier
-                    ? getName(
-                          "",
-                          widget.identifier,
-                          NamingConvention.UnderscoreLowerCase
-                      )
-                    : generateUniqueObjectName();
+                let identifier;
+
+                if (widget.identifier) {
+                    identifier = getName(
+                        "",
+                        widget.identifier,
+                        NamingConvention.UnderscoreLowerCase
+                    );
+                } else {
+                    identifier = generateUniqueObjectName();
+                    this.assets.map.lvglWidgetGeneratedIdentifiers[
+                        widget.objID
+                    ] = identifier;
+                }
 
                 pageIdentifiers.widgetToIdentifier.set(
                     widget,
@@ -205,7 +212,7 @@ export class LVGLBuild extends Build {
                     }
                 }
             }
-        }
+        };
 
         const addIdentifiersForUserWidget = (
             prefix: string,
diff --git a/packages/project-editor/lvgl/page-runtime.ts b/packages/project-editor/lvgl/page-runtime.ts
index d970e273..4fcd3f6a 100644
--- a/packages/project-editor/lvgl/page-runtime.ts
+++ b/packages/project-editor/lvgl/page-runtime.ts
@@ -1148,9 +1148,18 @@ export class LVGLPageViewerRuntime extends LVGLPageRuntime {
 
     override getWidgetIndex(object: LVGLWidget | Page) {
         const identifier = [
-            ...this.userWidgetsStack.map(widget => widget.identifier),
+            ...this.userWidgetsStack.map(
+                widget =>
+                    widget.identifier ||
+                    this.runtime.assetsMap.lvglWidgetGeneratedIdentifiers[
+                        widget.objID
+                    ]
+            ),
             object instanceof ProjectEditor.LVGLWidgetClass
-                ? object.identifier
+                ? object.identifier ||
+                  this.runtime.assetsMap.lvglWidgetGeneratedIdentifiers[
+                      object.objID
+                  ]
                 : object.name
         ]
             .map(identifier =>