1 files changed, 4 insertions, 3 deletions
diff --git a/src/client/views/nodes/PDFBox.tsx b/src/client/views/nodes/PDFBox.tsx
index 7bdbe3cae..266017b5b 100644
--- a/src/client/views/nodes/PDFBox.tsx
+++ b/src/client/views/nodes/PDFBox.tsx
@@ -247,6 +247,7 @@ export class PDFBox extends ViewBoxAnnotatableComponent<FieldViewProps, PdfDocum
     @computed get renderPdfView() {
         const pdfUrl = Cast(this.dataDoc[this.props.fieldKey], PdfField);
         return <div className={"pdfBox"} onContextMenu={this.specificContextMenu} style={{ height: this.props.Document._scrollTop && !this.Document._fitWidth && (window.screen.width > 600) ? NumCast(this.Document._height) * this.props.PanelWidth() / NumCast(this.Document._width) : undefined }}>
+            <div className="pdfBox-background"></div>
             <PDFViewer {...this.props} pdf={this._pdf!} url={pdfUrl!.url.pathname} active={this.props.active} loaded={this.loaded}
                 setPdfViewer={this.setPdfViewer} ContainingCollectionView={this.props.ContainingCollectionView}
                 renderDepth={this.props.renderDepth} PanelHeight={this.props.PanelHeight} PanelWidth={this.props.PanelWidth}
@@ -256,7 +257,7 @@ export class PDFBox extends ViewBoxAnnotatableComponent<FieldViewProps, PdfDocum
                 ScreenToLocalTransform={this.props.ScreenToLocalTransform} select={this.props.select}
                 isSelected={this.props.isSelected} whenActiveChanged={this.whenActiveChanged}
                 isChildActive={this.isChildActive}
-                fieldKey={this.props.fieldKey} startupLive={this._initialScale < 2.5 || this.props.Document._scrollTop ? true : false} />
+                fieldKey={this.props.fieldKey} startupLive={true} />
             {this.settingsPanel()}
         </div>;
     }
@@ -264,8 +265,8 @@ export class PDFBox extends ViewBoxAnnotatableComponent<FieldViewProps, PdfDocum
     _pdfjsRequested = false;
     render() {
         const pdfUrl = Cast(this.dataDoc[this.props.fieldKey], PdfField, null);
-        if (this.props.isSelected() || this.props.renderDepth === 0 || this.props.Document._scrollY !== undefined) this._everActive = true;
-        if (pdfUrl && (this._everActive || this.props.Document._scrollTop)) {
+        if (this.props.isSelected() || (this.props.active() && this.props.renderDepth === 0) || this.props.Document._scrollY !== undefined) this._everActive = true;
+        if (pdfUrl && this._everActive) {
             if (pdfUrl instanceof PdfField && this._pdf) {
                 return this.renderPdfView;
             }