diff --git a/dlls/shdocvw/regsvr.c b/dlls/shdocvw/regsvr.c
index ea4fbaaa020..e9c8e4960ae 100644
--- a/dlls/shdocvw/regsvr.c
+++ b/dlls/shdocvw/regsvr.c
@@ -314,13 +314,13 @@ static HRESULT register_coclasses(struct regsvr_coclass const *list)
 				  &shellfolder_key, NULL);
 	    if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 	    if (list->flags & SHELLFOLDER_WANTSFORPARSING)
-		res = RegSetValueExA(shellfolder_key, wfparsing_valuename, 0, REG_SZ, (LPBYTE)"", 1);
+		res = RegSetValueExA(shellfolder_key, wfparsing_valuename, 0, REG_SZ, (const BYTE *)"", 1);
 	    if (list->flags & SHELLFOLDER_ATTRIBUTES) 
 		res = RegSetValueExA(shellfolder_key, attributes_valuename, 0, REG_DWORD, 
-				     (LPBYTE)&list->dwAttributes, sizeof(DWORD));
+				     (const BYTE *)&list->dwAttributes, sizeof(DWORD));
 	    if (list->flags & SHELLFOLDER_CALLFORATTRIBUTES) 
 		res = RegSetValueExA(shellfolder_key, cfattributes_valuename, 0, REG_DWORD,
-				     (LPBYTE)&list->dwCallForAttributes, sizeof(DWORD));
+				     (const BYTE *)&list->dwCallForAttributes, sizeof(DWORD));
 	    RegCloseKey(shellfolder_key);
 	    if (res != ERROR_SUCCESS) goto error_close_clsid_key;
 	}