1 files changed, 1 insertions, 1 deletions
diff --git a/src/client/views/pdf/PDFViewer.tsx b/src/client/views/pdf/PDFViewer.tsx
index 9aaa6e90f..92a69c02b 100644
--- a/src/client/views/pdf/PDFViewer.tsx
+++ b/src/client/views/pdf/PDFViewer.tsx
@@ -123,7 +123,7 @@ export class PDFViewer extends React.Component<IViewerProps> {
             autoHeight => {
                 if (autoHeight) {
                     this.props.layoutDoc._nativeHeight = NumCast(this.props.Document[this.props.fieldKey + "-nativeHeight"]);
-                    this.props.setHeight(NumCast(this.props.Document[this.props.fieldKey + "-nativeHeight"]) * (this.props.scaling?.() || 1));
+                    this.props.setHeight?.(NumCast(this.props.Document[this.props.fieldKey + "-nativeHeight"]) * (this.props.scaling?.() || 1));
                 }
             });