diff --git a/src/stores/useModelStore.ts b/src/stores/useModelStore.ts
index 60c16a0..b9a32f7 100644
--- a/src/stores/useModelStore.ts
+++ b/src/stores/useModelStore.ts
@@ -216,9 +216,12 @@ interface ModelStore {
   setPositionMode: (on: boolean) => void;
   measurePoints: MeasurePoint[];
   addMeasurePoint: (p: MeasurePoint) => void;
+  undoLastMeasurePoint: () => void;
   measurements: Measurement[];
   clearMeasurements: () => void;
   removeMeasurement: (id: string) => void;
+  undoLastMeasurement: () => void;
+
 
   compareMode: boolean;
   setCompareMode: (on: boolean) => void;