1 files changed, 1 insertions, 1 deletions
diff --git a/src/client/views/nodes/RecordingBox/RecordingBox.tsx b/src/client/views/nodes/RecordingBox/RecordingBox.tsx
index f406ffbea..80b12b96e 100644
--- a/src/client/views/nodes/RecordingBox/RecordingBox.tsx
+++ b/src/client/views/nodes/RecordingBox/RecordingBox.tsx
@@ -41,7 +41,7 @@ export class RecordingBox extends ViewBoxBaseComponent() {
     setResult = (info: Upload.AccessPathInfo, presentation?: Presentation) => {
         this.result = info;
         this.dataDoc.type = DocumentType.VID;
-        this.dataDoc[this.fieldKey + '-duration'] = this.videoDuration;
+        this.dataDoc[this.fieldKey + '_duration'] = this.videoDuration;
 
         this.dataDoc.layout = VideoBox.LayoutString(this.fieldKey);
         this.dataDoc[this.props.fieldKey] = new VideoField(this.result.accessPaths.client);