diff --git a/dlls/msscript.ocx/msscript.c b/dlls/msscript.ocx/msscript.c
index 746c2d3892d..ae5edb7944d 100644
--- a/dlls/msscript.ocx/msscript.c
+++ b/dlls/msscript.ocx/msscript.c
@@ -169,7 +169,7 @@ static void release_typelib(void)
     if(!typelib)
         return;
 
-    for(i=0; i < sizeof(typeinfos)/sizeof(*typeinfos); i++)
+    for(i = 0; i < ARRAY_SIZE(typeinfos); i++)
         if(typeinfos[i])
             ITypeInfo_Release(typeinfos[i]);