diff --git a/src/runtime/c/pgf/db.h b/src/runtime/c/pgf/db.h
index 5cd46ac1d..c03d1f543 100644
--- a/src/runtime/c/pgf/db.h
+++ b/src/runtime/c/pgf/db.h
@@ -79,7 +79,7 @@ private:
 #else
     DWORD pid;
     HANDLE hMap;
-    HANDLE hМutex;
+    HANDLE hMutex;
     HANDLE hRWEvent;
 #endif