diff --git a/frontend/src/core/components/viewer/ZoomAPIBridge.tsx b/frontend/src/core/components/viewer/ZoomAPIBridge.tsx
index c947911cc..cf44227e5 100644
--- a/frontend/src/core/components/viewer/ZoomAPIBridge.tsx
+++ b/frontend/src/core/components/viewer/ZoomAPIBridge.tsx
@@ -10,7 +10,7 @@ import {
   measureRenderedPageRect,
   useFitWidthResize,
   ZoomViewport,
-} from '@core/utils/viewerZoom';
+} from '@app/utils/viewerZoom';
 import { getFirstPageAspectRatioFromStub } from '@app/utils/pageMetadata';
 
 export function ZoomAPIBridge() {
diff --git a/frontend/src/core/contexts/ViewerContext.tsx b/frontend/src/core/contexts/ViewerContext.tsx
index a85619dec..510218447 100644
--- a/frontend/src/core/contexts/ViewerContext.tsx
+++ b/frontend/src/core/contexts/ViewerContext.tsx
@@ -7,7 +7,17 @@ import React, {
   useCallback,
 } from 'react';
 import { useNavigation } from '@app/contexts/NavigationContext';
-import { createViewerActions } from '@core/contexts/viewer/viewerActions';
+import {
+  createViewerActions,
+  ScrollActions,
+  ZoomActions,
+  PanActions,
+  SelectionActions,
+  SpreadActions,
+  RotationActions,
+  SearchActions,
+  ExportActions,
+} from '@app/contexts/viewer/viewerActions';
 import {
   BridgeRef,
   BridgeApiMap,
@@ -24,7 +34,8 @@ import {
   RotationState,
   SearchState,
   ExportState,
-} from '@core/contexts/viewer/viewerBridges';
+  ThumbnailAPIWrapper,
+} from '@app/contexts/viewer/viewerBridges';
 import { SpreadMode } from '@embedpdf/plugin-spread/react';
 
 function useImmediateNotifier<Args extends unknown[]>() {
diff --git a/frontend/src/core/contexts/viewer/viewerActions.ts b/frontend/src/core/contexts/viewer/viewerActions.ts
index 3eda0423f..daa9cb8c9 100644
--- a/frontend/src/core/contexts/viewer/viewerActions.ts
+++ b/frontend/src/core/contexts/viewer/viewerActions.ts
@@ -4,7 +4,7 @@ import {
   ViewerBridgeRegistry,
   ScrollState,
   ZoomState,
-} from '@core/contexts/viewer/viewerBridges';
+} from '@app/contexts/viewer/viewerBridges';
 
 export interface ScrollActions {
   scrollToPage: (page: number) => void;