diff --git a/reader_concurrency_semaphore.cc b/reader_concurrency_semaphore.cc
index 6c7e9406d3..552db51e24 100644
--- a/reader_concurrency_semaphore.cc
+++ b/reader_concurrency_semaphore.cc
@@ -101,6 +101,7 @@ public:
                         _op_name_view,
                         _resources.count,
                         _resources.memory));
+            signal(_resources);
         }
     }