Index: matchbox-window-manager-1.2.2+git20200512/src/mbtheme.c
===================================================================
--- matchbox-window-manager-1.2.2+git20200512.orig/src/mbtheme.c	2020-06-15 15:42:14.712824255 +0100
+++ matchbox-window-manager-1.2.2+git20200512/src/mbtheme.c	2020-06-15 15:53:57.468893479 +0100
@@ -123,9 +123,9 @@
     {
       data = c->icon_rgba_data;
 
-      img = mb_pixbuf_img_new_from_long_data(t->wm->pb,
-                                             (data+2),
-                                             data[0], data[1]);
+      img = mb_pixbuf_img_new_from_int_data(t->wm->pb,
+                                            (data+2),
+                                            data[0], data[1]);
     }
   else 
     {