diff --git a/examples/MaskingMethods.cpp b/examples/MaskingMethods.cpp
index 2b4823b4..25580f89 100644
--- a/examples/MaskingMethods.cpp
+++ b/examples/MaskingMethods.cpp
@@ -386,6 +386,8 @@ void tvgDrawCmds(tvg::Canvas* canvas)
         image4->composite(std::move(mask4), tvg::CompositeMethod::InvAlphaMask);
         canvas->push(std::move(image4));
     }
+
+    free(data);
 }