diff --git a/lib/cpp/src/concurrency/Mutex.h b/lib/cpp/src/concurrency/Mutex.h
index 7cedbe3..3ee5c6b 100644
--- a/lib/cpp/src/concurrency/Mutex.h
+++ b/lib/cpp/src/concurrency/Mutex.h
@@ -133,7 +133,7 @@
 // as to whether we're doing acquireRead() or acquireWrite().
 enum RWGuardType {
   RW_READ = 0,
-  RW_WRITE = 1,
+  RW_WRITE = 1
 };