diff --git a/unix/gtkwin.c b/unix/gtkwin.c
index 5ab06e90..15598bf0 100644
--- a/unix/gtkwin.c
+++ b/unix/gtkwin.c
@@ -4635,18 +4635,11 @@ static void after_change_settings_dialog(void *vctx, int retval)
 
     sfree(vctx); /* we've copied this already */
 
-    if (retval < 0) {
-        /* If the dialog box was aborted without giving a result
-         * (probably because the whole session window closed), we have
-         * nothing further to do. */
-        return;
-    }
-
     assert(lenof(ww) == NCFGCOLOURS);
 
     unregister_dialog(&inst->seat, DIALOG_SLOT_RECONFIGURE);
 
-    if (retval) {
+    if (retval > 0) {
         inst->conf = newconf;
 
         /* Pass new config data to the logging module */