diff --git a/web/src/components/chat_search/hooks.ts b/web/src/components/chat_search/hooks.ts
index f07234e5415..3377d9172a0 100644
--- a/web/src/components/chat_search/hooks.ts
+++ b/web/src/components/chat_search/hooks.ts
@@ -66,10 +66,16 @@ export const useSidebarVisibility = ({
       }
     };
 
+    const handleMouseLeave = () => {
+      setShowDocSidebar(false);
+    };
+
     document.addEventListener("mousemove", handleEvent);
+    document.addEventListener("mouseleave", handleMouseLeave);
 
     return () => {
       document.removeEventListener("mousemove", handleEvent);
+      document.removeEventListener("mouseleave", handleMouseLeave);
     };
   }, [showDocSidebar, toggledSidebar, sidebarElementRef, mobile]);