diff --git a/gdk/gdkcairo.c b/gdk/gdkcairo.c
index c54121599c..a363394458 100644
--- a/gdk/gdkcairo.c
+++ b/gdk/gdkcairo.c
@@ -285,7 +285,7 @@ gdk_cairo_surface_create_from_pixbuf (const GdkPixbuf *pixbuf,
   cairo_surface_t *surface;
 
   g_return_val_if_fail (GDK_IS_PIXBUF (pixbuf), NULL);
-  g_return_val_if_fail (scale > 0, NULL);
+  g_return_val_if_fail (scale >= 0, NULL);
   g_return_val_if_fail (for_window == NULL || GDK_IS_WINDOW (for_window), NULL);
 
   if (gdk_pixbuf_get_n_channels (pixbuf) == 3)