diff --git a/packages/core/src/utils/drag.ts b/packages/core/src/utils/drag.ts
index e2f340bb..3ef8086c 100644
--- a/packages/core/src/utils/drag.ts
+++ b/packages/core/src/utils/drag.ts
@@ -27,8 +27,8 @@ export function getDragItems(
         id: n.id,
         position: n.position || { x: 0, y: 0 },
         distance: {
-          x: mousePos.x - n.computedPosition.x || 0,
-          y: mousePos.y - n.computedPosition.y || 0,
+          x: mousePos.x - n.computedPosition?.x || 0,
+          y: mousePos.y - n.computedPosition?.y || 0,
         },
         from: n.computedPosition,
         extent: n.extent,
diff --git a/packages/core/src/utils/general.ts b/packages/core/src/utils/general.ts
index 4484292e..3f5d46ec 100644
--- a/packages/core/src/utils/general.ts
+++ b/packages/core/src/utils/general.ts
@@ -2,8 +2,8 @@ export const isMouseEvent = (event: MouseEvent | TouchEvent): event is MouseEven
 
 export const getEventPosition = (event: MouseEvent | TouchEvent, bounds?: DOMRect) => {
   const isMouseTriggered = isMouseEvent(event)
-  const evtX = isMouseTriggered ? event.clientX : event.touches[0].clientX
-  const evtY = isMouseTriggered ? event.clientY : event.touches[0].clientY
+  const evtX = isMouseTriggered ? event.clientX : event.touches?.[0].clientX
+  const evtY = isMouseTriggered ? event.clientY : event.touches?.[0].clientY
 
   return {
     x: evtX - (bounds?.left ?? 0),