1 files changed, 4 insertions, 0 deletions
diff --git a/src/client/views/collections/CollectionPDFView.tsx b/src/client/views/collections/CollectionPDFView.tsx
index b2d016934..31a73ab36 100644
--- a/src/client/views/collections/CollectionPDFView.tsx
+++ b/src/client/views/collections/CollectionPDFView.tsx
@@ -43,6 +43,10 @@ export class CollectionPDFView extends React.Component<FieldViewProps> {
         );
     }
 
+    componentWillUnmount() {
+        this._reactionDisposer && this._reactionDisposer();
+    }
+
     public static LayoutString(fieldKey: string = "data") {
         return FieldView.LayoutString(CollectionPDFView, fieldKey);
     }