diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index a3fbe25..ba94604 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -3565,11 +3566,11 @@ HRESULT CDECL wined3d_device_update_texture(struct wined3d_device *device,
         return WINED3DERR_INVALIDCALL;
     }
 
-    /* Check that both textures have the identical numbers of levels. */
-    level_count = wined3d_texture_get_level_count(src_texture);
-    if (wined3d_texture_get_level_count(dst_texture) != level_count)
+    /* Check that both textures have the compatible numbers of levels. */
+    level_count = wined3d_texture_get_level_count(dst_texture);
+    if (wined3d_texture_get_level_count(src_texture) < level_count)
     {
-        WARN("Source and destination have different level counts, returning WINED3DERR_INVALIDCALL.\n");
+        WARN("Source has fewer level counts then destination, returning WINED3DERR_INVALIDCALL.\n");
         return WINED3DERR_INVALIDCALL;
     }