diff --git a/src/atlasViewer/atlasViewer.component.ts b/src/atlasViewer/atlasViewer.component.ts
index c375ea65953bbd11dce31a10624e82de20060ae2..18a1131c532fef980a53ce66a214e06e4fff844d 100644
--- a/src/atlasViewer/atlasViewer.component.ts
+++ b/src/atlasViewer/atlasViewer.component.ts
@@ -77,7 +77,7 @@ export class AtlasViewer implements OnDestroy, OnInit, AfterViewInit {
   private newViewer$: Observable<any>
 
   private snackbarRef: MatSnackBarRef<any>
-  public snackbarMessage$: Observable<Symbol>
+  public snackbarMessage$: Observable<symbol>
 
   public onhoverLandmark$: Observable<{landmarkName: string, datasets: any} | null>
 
diff --git a/src/services/state/uiState/common.ts b/src/services/state/uiState/common.ts
index 84455274cde9813a16c81bf3f446cea5dec97209..1ba2e621ec2db19bc0f24bcae524ba33a847c326 100644
--- a/src/services/state/uiState/common.ts
+++ b/src/services/state/uiState/common.ts
@@ -17,7 +17,7 @@ export interface IUiState{
 
   focusedSidePanel: string | null
 
-  snackbarMessage: Symbol
+  snackbarMessage: symbol
 
   agreedCookies: boolean
   agreedKgTos: boolean