diff --git a/dlls/gdiplus/tests/region.c b/dlls/gdiplus/tests/region.c
index e0ad48e8d0b..d4d8772a617 100644
--- a/dlls/gdiplus/tests/region.c
+++ b/dlls/gdiplus/tests/region.c
@@ -147,6 +147,8 @@ static void test_region_data(DWORD *data, UINT size, INT line)
     /* some Windows versions fail to properly clear the aligned DWORD */
     ok_(__FILE__, line)(data[size - 1] == buf[size - 1] || broken(data[size - 1] != buf[size - 1]),
         "off %u: %#x != %#x\n", size - 1, data[size - 1], buf[size - 1]);
+
+    GdipDeleteRegion(region);
 }
 
 static void test_getregiondata(void)