Index: trunk/ippTools/src/warptool.c
===================================================================
--- trunk/ippTools/src/warptool.c	(revision 12042)
+++ trunk/ippTools/src/warptool.c	(revision 12044)
@@ -770,5 +770,7 @@
         "   ON warpSkyCellMap.exp_tag = rawExp.exp_tag\n"
         " LEFT JOIN warpSkyfile\n"
-        "   USING(warp_id, skycell_id, tess_id)\n"
+        "   ON warpRun.warp_id = warpSkyfile.warp_id\n"
+        "   AND warpSkyCellMap.skycell_id = warpSkyfile.skycell_id\n"
+        "   AND warpSkyCellMap.tess_id = warpSkyfile.tess_id\n"
         " WHERE\n"
         "   warpRun.state = 'run'\n"