diff --git a/dlls/dmloader/classfactory.c b/dlls/dmloader/classfactory.c
index 9c7c68a8b77..266e7134548 100644
--- a/dlls/dmloader/classfactory.c
+++ b/dlls/dmloader/classfactory.c
@@ -98,7 +98,7 @@ HRESULT WINAPI DMUSIC_CreateDirectMusicLoaderCF (LPCGUID lpcGUID, LPVOID *ppobj,
 	TRACE("(%s, %p, %p)\n", debugstr_dmguid(lpcGUID), ppobj, pUnkOuter);
 	obj = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicLoaderCF));
 	if (NULL == obj) {
-		*ppobj = (LPCLASSFACTORY)NULL;
+		*ppobj = NULL;
 		return E_OUTOFMEMORY;
 	}
 	obj->lpVtbl = &DirectMusicLoaderCF_Vtbl;
@@ -187,7 +187,7 @@ HRESULT WINAPI DMUSIC_CreateDirectMusicContainerCF (LPCGUID lpcGUID, LPVOID *ppo
 	TRACE("(%s, %p, %p)\n", debugstr_dmguid(lpcGUID), ppobj, pUnkOuter);
 	obj = HeapAlloc (GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicContainerCF));
 	if (NULL == obj) {
-		*ppobj = (LPCLASSFACTORY)NULL;
+		*ppobj = NULL;
 		return E_OUTOFMEMORY;
 	}
 	obj->lpVtbl = &DirectMusicContainerCF_Vtbl;
diff --git a/dlls/dmloader/loader.c b/dlls/dmloader/loader.c
index 8f1f2c22193..1a6d0950f94 100644
--- a/dlls/dmloader/loader.c
+++ b/dlls/dmloader/loader.c
@@ -798,7 +798,7 @@ HRESULT WINAPI DMUSIC_CreateDirectMusicLoaderImpl (LPCGUID lpcGUID, LPVOID *ppob
 	TRACE("(%s, %p, %p)\n", debugstr_dmguid(lpcGUID), ppobj, pUnkOuter);
 	obj = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(IDirectMusicLoaderImpl));
 	if (NULL == obj) {
-		*ppobj = (LPDIRECTMUSICLOADER8)NULL;
+		*ppobj = NULL;
 		return E_OUTOFMEMORY;
 	}
 	obj->LoaderVtbl = &DirectMusicLoader_Loader_Vtbl;