diff --git a/desktop/flipper-plugin/src/ui/Sidebar.tsx b/desktop/flipper-plugin/src/ui/Sidebar.tsx
index 31f49fdd3..7b7ab15ba 100644
--- a/desktop/flipper-plugin/src/ui/Sidebar.tsx
+++ b/desktop/flipper-plugin/src/ui/Sidebar.tsx
@@ -18,7 +18,7 @@ import {theme} from './theme';
 
 const SidebarInteractiveContainer = styled(Interactive)<InteractiveProps>({
   display: 'flex',
-  flex: 1,
+  flex: '0 1 1',
 });
 SidebarInteractiveContainer.displayName = 'Sidebar:SidebarInteractiveContainer';