diff --git a/src/components/ViewerControls.tsx b/src/components/ViewerControls.tsx
index a4cf99d..85a6b5f 100644
--- a/src/components/ViewerControls.tsx
+++ b/src/components/ViewerControls.tsx
@@ -20,7 +20,7 @@ const WIRE_COLORS = [
 export function ViewerControls() {
   const {
     opacity, setOpacity, renderMode, setRenderMode,
-    measureMode, setMeasureMode, measurements, clearMeasurements,
+    measureMode, setMeasureMode, measurements, clearMeasurements, undoLastMeasurement,
     measurePoints, addScreenshot,
     showGrid, setShowGrid,
     wireframeColor, setWireframeColor,