diff --git a/modules/ve-mw/ui/inspectors/ve.ui.MWLiveExtensionInspector.js b/modules/ve-mw/ui/inspectors/ve.ui.MWLiveExtensionInspector.js
index 417c47dff0..e9fd523022 100644
--- a/modules/ve-mw/ui/inspectors/ve.ui.MWLiveExtensionInspector.js
+++ b/modules/ve-mw/ui/inspectors/ve.ui.MWLiveExtensionInspector.js
@@ -80,8 +80,6 @@ ve.ui.MWLiveExtensionInspector.prototype.getSetupProcess = function ( data ) {
 				this.getFragment().select();
 				this.node = this.getFragment().getSelectedNode();
 			}
-			this.input.setValue( this.node.getAttribute( 'mw' ).body.extsrc );
-
 			this.input.on( 'change', this.onChangeHandler );
 		}, this );
 };