1 files changed, 2 insertions, 2 deletions
diff --git a/src/client/views/collections/CollectionDockingView.tsx b/src/client/views/collections/CollectionDockingView.tsx
index abc9bbeba..7e2f63273 100644
--- a/src/client/views/collections/CollectionDockingView.tsx
+++ b/src/client/views/collections/CollectionDockingView.tsx
@@ -426,7 +426,7 @@ export class CollectionDockingView extends React.Component<SubCollectionViewProp
 
     stackCreated = (stack: any) => {
         //stack.header.controlsContainer.find('.lm_popout').hide();
-        stack.header.element[0].style.backgroundColor = DocServer.isReadOnly() ? "#228540" : undefined;
+        stack.header.element[0].style.backgroundColor = DocServer.Control.isReadOnly() ? "#228540" : undefined;
         stack.header.controlsContainer.find('.lm_close') //get the close icon
             .off('click') //unbind the current click handler
             .click(action(function () {
@@ -601,4 +601,4 @@ export class DockedFrameRenderer extends React.Component<DockedFrameProps> {
                 {({ measureRef }) => <div ref={measureRef}>  {theContent} </div>}
             </Measure>;
     }
-}
+}
+\ No newline at end of file