diff --git a/vendored/libfuse/lib/fuse.cpp b/vendored/libfuse/lib/fuse.cpp
index 1684fdb0..68970b53 100644
--- a/vendored/libfuse/lib/fuse.cpp
+++ b/vendored/libfuse/lib/fuse.cpp
@@ -2030,7 +2030,7 @@ fuse_do_release(fuse_req_ctx_t   *req_ctx_,
   f.ops.release(req_ctx_,
                 ffi_);
 
-  mutex_lock(f.lock);
+  mutex_lockguard(f.lock);
   {
     node_t *node;
 
@@ -2041,7 +2041,6 @@ fuse_do_release(fuse_req_ctx_t   *req_ctx_,
         node->open_count--;
       }
   }
-  mutex_unlock(f.lock);
 }
 
 static