diff --git a/src/interaction/InteractionManager.js b/src/interaction/InteractionManager.js
index b1a9c41..086629e 100644
--- a/src/interaction/InteractionManager.js
+++ b/src/interaction/InteractionManager.js
@@ -1428,7 +1428,7 @@
 
         const events = this.normalizeToPointerData(originalEvent);
 
-        if (events[0].pointerType === 'mouse')
+        if (events[0].pointerType === 'mouse' || events[0].pointerType === 'pen')
         {
             this.didMove = true;