diff --git a/web/src/lib/components/asset-viewer/photo-viewer.svelte b/web/src/lib/components/asset-viewer/photo-viewer.svelte
index a4ba23814..f92bfbefc 100644
--- a/web/src/lib/components/asset-viewer/photo-viewer.svelte
+++ b/web/src/lib/components/asset-viewer/photo-viewer.svelte
@@ -12,7 +12,7 @@
   export let asset: AssetResponseDto;
   export let element: HTMLDivElement | undefined = undefined;
   export let haveFadeTransition = true;
-  export const rotate = () => setZoomImageWheelState({ currentRotation: $zoomImageWheelState.currentRotation + 90 });
+  export const rotate = () => setZoomImageWheelState({ currentRotation: $zoomImageWheelState.currentRotation - 90 });
 
   let imgElement: HTMLDivElement;
   let assetData: string;