diff --git a/src/gui_gtk_x11.c b/src/gui_gtk_x11.c
index 7ef63b8..fc3d08b 100644
--- a/src/gui_gtk_x11.c
+++ b/src/gui_gtk_x11.c
@@ -2682,7 +2682,7 @@
 #endif
     GdkCursor	*cursor;
 #if GTK_CHECK_VERSION(3,0,0)
-    GdkRGBA	color = { 0.0, 0.0, 0.0, 1.0 };
+    GdkRGBA	color = { 0.0, 0.0, 0.0, 0.0 };
 #else
     GdkColor	color = { 0, 0, 0, 0 };
     char	blank_data[] = { 0x0 };