diff --git a/dlls/dplayx/tests/dplayx.c b/dlls/dplayx/tests/dplayx.c
index d71df8838f7..11d96706e9f 100644
--- a/dlls/dplayx/tests/dplayx.c
+++ b/dlls/dplayx/tests/dplayx.c
@@ -6864,7 +6864,8 @@ done:
 /* taken from programs/winetest/main.c */
 static BOOL is_stub_dll(const char *filename)
 {
-    DWORD size, ver;
+    UINT size;
+    DWORD ver;
     BOOL isstub = FALSE;
     char *p, *data;