diff --git a/src/examples/Performance.cpp b/src/examples/Performance.cpp
index 6625aad4..ddc5d78a 100644
--- a/src/examples/Performance.cpp
+++ b/src/examples/Performance.cpp
@@ -29,7 +29,7 @@
 static tvg::Picture* pPicture = nullptr;
 static double updateTime = 0;
 static double accumulateTime = 0;
-static uint cnt = 0;
+static uint32_t cnt = 0;
 
 void tvgDrawCmds(tvg::Canvas* canvas)
 {