1 files changed, 6 insertions, 4 deletions
diff --git a/src/client/views/nodes/VideoBox.tsx b/src/client/views/nodes/VideoBox.tsx
index 0ff15f93b..6ff11258d 100644
--- a/src/client/views/nodes/VideoBox.tsx
+++ b/src/client/views/nodes/VideoBox.tsx
@@ -396,10 +396,12 @@ export class VideoBox extends ViewBoxAnnotatableComponent<ViewBoxAnnotatableProp
 
     // sets video info on load
     videoLoad = action(() => {
-        const aspect = this.player!.videoWidth / this.player!.videoHeight;
-        Doc.SetNativeWidth(this.dataDoc, this.player!.videoWidth);
-        Doc.SetNativeHeight(this.dataDoc, this.player!.videoHeight);
-        this.layoutDoc._height = NumCast(this.layoutDoc._width) / aspect;
+        const aspect = this.player!.videoWidth / (this.player!.videoHeight || 1);
+        if (aspect) {
+            Doc.SetNativeWidth(this.dataDoc, this.player!.videoWidth);
+            Doc.SetNativeHeight(this.dataDoc, this.player!.videoHeight);
+            this.layoutDoc._height = NumCast(this.layoutDoc._width) / aspect;
+        }
         if (Number.isFinite(this.player!.duration)) {
             this.rawDuration = this.player!.duration;
         } else this.rawDuration = NumCast(this.dataDoc[this.fieldKey + '-duration']);