diff --git a/invokeai/frontend/web/src/features/controlLayers/store/canvasSlice.ts b/invokeai/frontend/web/src/features/controlLayers/store/canvasSlice.ts
index 661adcff3b..5fd71f8158 100644
--- a/invokeai/frontend/web/src/features/controlLayers/store/canvasSlice.ts
+++ b/invokeai/frontend/web/src/features/controlLayers/store/canvasSlice.ts
@@ -1359,8 +1359,8 @@ export const canvasSlice = createSlice({
           state.bbox.rect.width = 672;
           state.bbox.rect.height = 1568;
         } else if (id === '1:1') {
-          state.bbox.rect.width = 880;
-          state.bbox.rect.height = 880;
+          state.bbox.rect.width = 1024;
+          state.bbox.rect.height = 1024;
         }
         state.bbox.aspectRatio.value = state.bbox.rect.width / state.bbox.rect.height;
         state.bbox.aspectRatio.isLocked = true;