diff --git a/dlls/ddraw/ddraw.c b/dlls/ddraw/ddraw.c
index 55753c4fcd6..28af7d06eec 100644
--- a/dlls/ddraw/ddraw.c
+++ b/dlls/ddraw/ddraw.c
@@ -4375,9 +4375,7 @@ static HRESULT WINAPI d3d3_CreateLight(IDirect3D3 *iface, IDirect3DLight **light
         return DDERR_OUTOFMEMORY;
     }
 
-    object->lpVtbl = &IDirect3DLight_Vtbl;
-    object->ref = 1;
-    object->ddraw = ddraw_from_d3d3(iface);
+    d3d_light_init(object, ddraw_from_d3d3(iface));
 
     TRACE("Created light %p.\n", object);
     *light = (IDirect3DLight *)object;
diff --git a/dlls/ddraw/ddraw_private.h b/dlls/ddraw/ddraw_private.h
index fe65b79d216..f7ea61dac0a 100644
--- a/dlls/ddraw/ddraw_private.h
+++ b/dlls/ddraw/ddraw_private.h
@@ -525,12 +525,10 @@ struct IDirect3DLightImpl
     IDirect3DLightImpl        *next;
 };
 
-/* Vtable */
-extern const IDirect3DLightVtbl IDirect3DLight_Vtbl DECLSPEC_HIDDEN;
-
 /* Helper functions */
 void light_activate(IDirect3DLightImpl *light) DECLSPEC_HIDDEN;
 void light_deactivate(IDirect3DLightImpl *light) DECLSPEC_HIDDEN;
+void d3d_light_init(IDirect3DLightImpl *light, IDirectDrawImpl *ddraw) DECLSPEC_HIDDEN;
 
 /******************************************************************************
  * IDirect3DMaterial implementation structure - Wraps to D3D7
diff --git a/dlls/ddraw/light.c b/dlls/ddraw/light.c
index 9726d862b1b..3cf26b505c5 100644
--- a/dlls/ddraw/light.c
+++ b/dlls/ddraw/light.c
@@ -287,7 +287,7 @@ IDirect3DLightImpl_GetLight(IDirect3DLight *iface,
     return DD_OK;
 }
 
-const IDirect3DLightVtbl IDirect3DLight_Vtbl =
+static const struct IDirect3DLightVtbl d3d_light_vtbl =
 {
     /*** IUnknown Methods ***/
     IDirect3DLightImpl_QueryInterface,
@@ -298,3 +298,10 @@ const IDirect3DLightVtbl IDirect3DLight_Vtbl =
     IDirect3DLightImpl_SetLight,
     IDirect3DLightImpl_GetLight
 };
+
+void d3d_light_init(IDirect3DLightImpl *light, IDirectDrawImpl *ddraw)
+{
+    light->lpVtbl = &d3d_light_vtbl;
+    light->ref = 1;
+    light->ddraw = ddraw;
+}