diff --git a/src/IDirectDraw/IDirectDraw.c b/src/IDirectDraw/IDirectDraw.c
index 9664869..eb27866 100644
--- a/src/IDirectDraw/IDirectDraw.c
+++ b/src/IDirectDraw/IDirectDraw.c
@@ -252,7 +252,7 @@ HRESULT __stdcall IDirectDraw__GetDisplayMode(IDirectDrawImpl* This, LPDDSURFACE
 HRESULT __stdcall IDirectDraw__GetFourCCCodes(IDirectDrawImpl* This, LPDWORD a, LPDWORD b)
 {
     dprintf("NOT_IMPLEMENTED -> %s(This=%p)\n", __FUNCTION__, This);
-    HRESULT ret = DD_OK;
+    HRESULT ret = DDERR_INVALIDOBJECT;
     dprintf("NOT_IMPLEMENTED <- %s\n", __FUNCTION__);
     return ret;
 }
diff --git a/src/IDirectDraw/IDirectDrawSurface.c b/src/IDirectDraw/IDirectDrawSurface.c
index e270f9d..970414a 100644
--- a/src/IDirectDraw/IDirectDrawSurface.c
+++ b/src/IDirectDraw/IDirectDrawSurface.c
@@ -200,9 +200,9 @@ HRESULT __stdcall IDirectDrawSurface__GetAttachedSurface(IDirectDrawSurfaceImpl
 
 HRESULT __stdcall IDirectDrawSurface__GetBltStatus(IDirectDrawSurfaceImpl *This, DWORD a)
 {
-    dprintfex("NOT_IMPLEMENTED -> %s(This=%p)\n", __FUNCTION__, This);
+    dprintfex("-> %s(This=%p)\n", __FUNCTION__, This);
     HRESULT ret = DD_OK;
-    dprintfex("NOT_IMPLEMENTED <- %s\n", __FUNCTION__);
+    dprintfex("<- %s\n", __FUNCTION__);
     return ret;
 }