diff --git a/heatmap-tool/frontend/src/components/MapBoundsManager.tsx b/heatmap-tool/frontend/src/components/MapBoundsManager.tsx
index 73a2dce2..c42c159e 100644
--- a/heatmap-tool/frontend/src/components/MapBoundsManager.tsx
+++ b/heatmap-tool/frontend/src/components/MapBoundsManager.tsx
@@ -2,7 +2,7 @@
 import React, { useEffect } from 'react';
 import { useMap } from 'react-leaflet';
 import L from 'leaflet';
-import { HeatmapPoint } from '../App';
+import type { HeatmapPoint } from '../App';
 
 interface MapBoundsManagerProps {
   data: HeatmapPoint[];