diff --git a/packages/grafana-ui/src/components/Sidebar/SidebarResizer.tsx b/packages/grafana-ui/src/components/Sidebar/SidebarResizer.tsx
index 7a243f00b54..bca6cb7cca8 100644
--- a/packages/grafana-ui/src/components/Sidebar/SidebarResizer.tsx
+++ b/packages/grafana-ui/src/components/Sidebar/SidebarResizer.tsx
@@ -37,6 +37,12 @@ export function SidebarResizer() {
         return;
       }
 
+      // mouse is moving with no buttons pressed
+      if (!e.buttons) {
+        dragStart.current = null;
+        return;
+      }
+
       const diff = e.clientX - dragStart.current;
       dragStart.current = e.clientX;