diff --git a/config/chips_startup.tk b/config/chips_startup.tk
index 59b09c5b..5eb03345 100644
--- a/config/chips_startup.tk
+++ b/config/chips_startup.tk
@@ -100,7 +100,7 @@ proc run_tgcoords { frame id } {
     # I need to put this into the background so that the script,
     # ds9_itgcoords, can make XPA calls.  Otherwise, the Tk event loop is
     # hung at this command and the XPA command in ds9_itgcoords times out.
-    exec {ds9_itgcoords} $ds9(title) $tgcoords_order $x0 $y0 $x1 $y1 $frame $id &
+    exec {ds9_itgcoords} $ds9(app) $tgcoords_order $x0 $y0 $x1 $y1 $frame $id &
 }