diff --git a/dlls/atl/registrar.c b/dlls/atl/registrar.c
index 5be5e772f88..80d4ee87ed2 100644
--- a/dlls/atl/registrar.c
+++ b/dlls/atl/registrar.c
@@ -634,7 +634,7 @@ static HRESULT WINAPI Registrar_ResourceRegister(IRegistrar* iface, LPCOLESTR re
 {
     Registrar *This = (Registrar*)iface;
     TRACE("(%p)->(%s %d %s)\n", iface, debugstr_w(resFileName), nID, debugstr_w(szType));
-    return resource_register(This, resFileName, (LPOLESTR)nID, szType, TRUE);
+    return resource_register(This, resFileName, MAKEINTRESOURCEW(nID), szType, TRUE);
 }
 
 static HRESULT WINAPI Registrar_ResourceUnregister(IRegistrar* iface, LPCOLESTR resFileName,
@@ -642,7 +642,7 @@ static HRESULT WINAPI Registrar_ResourceUnregister(IRegistrar* iface, LPCOLESTR
 {
     Registrar *This = (Registrar*)iface;
     TRACE("(%p)->(%s %d %s)\n", This, debugstr_w(resFileName), nID, debugstr_w(szType));
-    return resource_register(This, resFileName, (LPOLESTR)nID, szType, FALSE);
+    return resource_register(This, resFileName, MAKEINTRESOURCEW(nID), szType, FALSE);
 }
 
 static const IRegistrarVtbl RegistrarVtbl = {
diff --git a/dlls/uxtheme/msstyles.c b/dlls/uxtheme/msstyles.c
index 65633f19941..81fcf62a129 100644
--- a/dlls/uxtheme/msstyles.c
+++ b/dlls/uxtheme/msstyles.c
@@ -711,7 +711,7 @@ void MSSTYLES_ParseThemeIni(PTHEME_FILE tf, BOOL setMetrics)
                     }
 		    else if (setMetrics && (iPropertyId == TMT_FLATMENUS)) {
 			BOOL flatMenus = (*lpValue == 'T') || (*lpValue == 't');
-			SystemParametersInfoW (SPI_SETFLATMENU, 0, (PVOID)flatMenus, 0);
+			SystemParametersInfoW (SPI_SETFLATMENU, 0, (PVOID)(INT_PTR)flatMenus, 0);
 		    }
                     /* Catch all metrics, including colors */
                     MSSTYLES_AddMetric(tf, iPropertyPrimitive, iPropertyId, lpValue, dwValueLen);