X-Git-Url: https://git.jsancho.org/?p=guile-irrlicht.git;a=blobdiff_plain;f=src%2Fgui.cpp;h=cd8eef34773c48e998138635f6c8eea99cf7399a;hp=997d28b08a74140809cec5d68020a34ec2afc8a7;hb=e793a98b7a84ae3a5ff2ededb0625e55cf991f0f;hpb=f800b6da773b92fad5ebf3db07b8efa2e4e1b46f

diff --git a/src/gui.cpp b/src/gui.cpp
index 997d28b..cd8eef3 100644
--- a/src/gui.cpp
+++ b/src/gui.cpp
@@ -147,7 +147,7 @@ extern "C" {
         // Params: color and dest_color (optional)
         return irr_gui_IGUIInOutFader_setColor (wrapped_obj, color, dest_color);
       }
-    else if (gui_skin_p (wrapped_obj) && !scm_is_false (dest_color))
+    else if (gui_skin_p (wrapped_obj) && dest_color != SCM_UNDEFINED)
       {
         // Params: which and new_color
         return irr_gui_IGUISkin_setColor (wrapped_obj, color, dest_color);