diff --git a/Utilities/sema.cpp b/Utilities/sema.cpp
index ee3dd98ffa..81e3616f53 100644
--- a/Utilities/sema.cpp
+++ b/Utilities/sema.cpp
@@ -41,7 +41,13 @@ void semaphore_base::imp_wait()
 				// Add waiter
 				value += c_waiter;
 			}
-		});
+			else
+			{
+				return false;
+			}
+
+			return true;
+		}).first;
 
 		if (value & c_value_mask)
 		{