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-rw-r--r--src/client/views/nodes/PDFBox.tsx1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/client/views/nodes/PDFBox.tsx b/src/client/views/nodes/PDFBox.tsx
index 81ceb37f6..c73ee4f21 100644
--- a/src/client/views/nodes/PDFBox.tsx
+++ b/src/client/views/nodes/PDFBox.tsx
@@ -108,6 +108,7 @@ export class PDFBox extends React.Component<FieldViewProps> {
componentWillUnmount() {
if (this._reactionDisposer) {
this._reactionDisposer();
+ this._reactionDisposer = undefined;
}
}