diff --git a/dlls/d3drm/light.c b/dlls/d3drm/light.c
index 2f53f200aad..675dcaa0b54 100644
--- a/dlls/d3drm/light.c
+++ b/dlls/d3drm/light.c
@@ -165,7 +165,7 @@ static HRESULT WINAPI d3drm_light_SetColor(IDirect3DRMLight *iface, D3DCOLOR col
 
     TRACE("iface %p, color 0x%08x.\n", iface, color);
 
-    light->color = color;
+    light->color = 0xff000000 | color;
 
     return D3DRM_OK;
 }
diff --git a/dlls/d3drm/tests/d3drm.c b/dlls/d3drm/tests/d3drm.c
index 25e9b4e0ac8..87ad50a39db 100644
--- a/dlls/d3drm/tests/d3drm.c
+++ b/dlls/d3drm/tests/d3drm.c
@@ -2589,6 +2589,11 @@ static void test_Light(void)
     color = IDirect3DRMLight_GetColor(light);
     ok(color == 0xff180587, "wrong color (%x)\n", color);
 
+    hr = IDirect3DRMLight_SetColor(light, 0x00c0c0c0);
+    ok(hr == D3DRM_OK, "Got unexpected hr %#x.\n", hr);
+    color = IDirect3DRMLight_GetColor(light);
+    ok(color == 0xffc0c0c0, "Got unexpected color 0x%08x.\n", color);
+
     hr = IDirect3DRMLight_SetColorRGB(light, 0.5, 0.5, 0.5);
     ok(hr == D3DRM_OK, "Cannot set color (hr = %x)\n", hr);
     color = IDirect3DRMLight_GetColor(light);