diff --git a/libs/vkd3d/device.c b/libs/vkd3d/device.c
index a394e3f7..13d354a7 100644
--- a/libs/vkd3d/device.c
+++ b/libs/vkd3d/device.c
@@ -2833,7 +2833,7 @@ static HRESULT STDMETHODCALLTYPE d3d12_device_QueryInterface(ID3D12Device9 *ifac
             || IsEqualGUID(riid, &IID_ID3D12Object)
             || IsEqualGUID(riid, &IID_IUnknown))
     {
-        ID3D12Device_AddRef(iface);
+        ID3D12Device9_AddRef(iface);
         *object = iface;
         return S_OK;
     }
diff --git a/libs/vkd3d/resource.c b/libs/vkd3d/resource.c
index 17999914..6ee3afa4 100644
--- a/libs/vkd3d/resource.c
+++ b/libs/vkd3d/resource.c
@@ -1271,7 +1271,7 @@ static HRESULT STDMETHODCALLTYPE d3d12_resource_QueryInterface(ID3D12Resource2 *
             || IsEqualGUID(riid, &IID_ID3D12Object)
             || IsEqualGUID(riid, &IID_IUnknown))
     {
-        ID3D12Resource_AddRef(iface);
+        ID3D12Resource2_AddRef(iface);
         *object = iface;
         return S_OK;
     }
diff --git a/libs/vkd3d/vkd3d_main.c b/libs/vkd3d/vkd3d_main.c
index 29305fbd..c7431bd8 100644
--- a/libs/vkd3d/vkd3d_main.c
+++ b/libs/vkd3d/vkd3d_main.c
@@ -71,7 +71,7 @@ HRESULT vkd3d_create_device(const struct vkd3d_device_create_info *create_info,
 
     if (!device)
     {
-        ID3D12Device_Release(&object->ID3D12Device9_iface);
+        ID3D12Device9_Release(&object->ID3D12Device9_iface);
         return S_FALSE;
     }
 
diff --git a/libs/vkd3d/vkd3d_private.h b/libs/vkd3d/vkd3d_private.h
index fa9e1f05..77d95111 100644
--- a/libs/vkd3d/vkd3d_private.h
+++ b/libs/vkd3d/vkd3d_private.h
@@ -19,6 +19,9 @@
 #ifndef __VKD3D_PRIVATE_H
 #define __VKD3D_PRIVATE_H
 
+#ifndef __MINGW32__
+#define WIDL_C_INLINE_WRAPPERS
+#endif
 #define COBJMACROS
 #define NONAMELESSUNION
 #define VK_NO_PROTOTYPES