diff --git a/dlls/kernel32/resource.c b/dlls/kernel32/resource.c
index 52a5f2e4ad4..d66f4aef0c4 100644
--- a/dlls/kernel32/resource.c
+++ b/dlls/kernel32/resource.c
@@ -52,7 +52,7 @@ static NTSTATUS get_res_nameA( LPCSTR name, UNICODE_STRING *str )
 {
     if (!HIWORD(name))
     {
-        str->Buffer = (LPWSTR)name;
+        str->Buffer = ULongToPtr(LOWORD(name));
         return STATUS_SUCCESS;
     }
     if (name[0] == '#')
@@ -73,7 +73,7 @@ static NTSTATUS get_res_nameW( LPCWSTR name, UNICODE_STRING *str )
 {
     if (!HIWORD(name))
     {
-        str->Buffer = (LPWSTR)name;
+        str->Buffer = ULongToPtr(LOWORD(name));
         return STATUS_SUCCESS;
     }
     if (name[0] == '#')
@@ -103,7 +103,7 @@ static BOOL get_res_name_type_WtoA( LPCWSTR name, LPCWSTR type, LPSTR *nameA, LP
             *nameA = HeapAlloc( GetProcessHeap(), 0, len );
             if (*nameA) WideCharToMultiByte( CP_ACP, 0, name, -1, *nameA, len, NULL, NULL );
         }
-        else *nameA = (LPSTR)name;
+        else *nameA = ULongToPtr(LOWORD(name));
 
         if (HIWORD(type))
         {
@@ -111,7 +111,7 @@ static BOOL get_res_name_type_WtoA( LPCWSTR name, LPCWSTR type, LPSTR *nameA, LP
             *typeA = HeapAlloc( GetProcessHeap(), 0, len );
             if (*typeA) WideCharToMultiByte( CP_ACP, 0, type, -1, *typeA, len, NULL, NULL );
         }
-        else *typeA = (LPSTR)type;
+        else *typeA = ULongToPtr(LOWORD(type));
     }
     __EXCEPT_PAGE_FAULT
     {
@@ -1684,11 +1684,11 @@ BOOL WINAPI UpdateResourceA( HANDLE hUpdate, LPCSTR lpType, LPCSTR lpName,
     UNICODE_STRING TypeW;
     UNICODE_STRING NameW;
     if(!HIWORD(lpType))
-        TypeW.Buffer = (LPWSTR)lpType;
+        TypeW.Buffer = ULongToPtr(LOWORD(lpType));
     else
         RtlCreateUnicodeStringFromAsciiz(&TypeW, lpType);
     if(!HIWORD(lpName))
-        NameW.Buffer = (LPWSTR)lpName;
+        NameW.Buffer = ULongToPtr(LOWORD(lpName));
     else
         RtlCreateUnicodeStringFromAsciiz(&NameW, lpName);
     ret = UpdateResourceW(hUpdate, TypeW.Buffer, NameW.Buffer, wLanguage, lpData, cbData);