diff --git a/dlls/urlmon/tests/misc.c b/dlls/urlmon/tests/misc.c
index 73c63744d61..e88c9604979 100644
--- a/dlls/urlmon/tests/misc.c
+++ b/dlls/urlmon/tests/misc.c
@@ -2332,7 +2332,7 @@ static void test_bsc_marshaling(void)
 
     rem_bindinfo.stgmedData.tymed = TYMED_HGLOBAL;
 
-    buf = GlobalAlloc(0, sizeof(5));
+    buf = GlobalAlloc(0, 5);
     strcpy(buf, "test");
     rem_bindinfo.stgmedData.u.hGlobal = buf;
     rem_bindinfo.cbstgmedData = 5;
@@ -2549,7 +2549,7 @@ static void test_bsc_marshaling(void)
 
         rem_bindinfo.stgmedData.tymed = TYMED_HGLOBAL;
 
-        buf = GlobalAlloc(0, sizeof(5));
+        buf = GlobalAlloc(0, 5);
         strcpy(buf, "test");
         rem_bindinfo.stgmedData.u.hGlobal = buf;
         rem_bindinfo.cbstgmedData = 5;