diff --git a/static/panes/cfg-view.ts b/static/panes/cfg-view.ts
index 84159d92760..12e35b0de70 100644
--- a/static/panes/cfg-view.ts
+++ b/static/panes/cfg-view.ts
@@ -201,6 +201,7 @@ export class Cfg extends Pane<CfgState> {
             } else {
                 this.state.zoom = MINZOOM;
             }
+            e.preventDefault();
         });
         this.exportPNGButton.on('click', () => {
             this.exportPNG();