Index: /trunk/ippTools/src/pxchip.c
===================================================================
--- /trunk/ippTools/src/pxchip.c	(revision 19389)
+++ /trunk/ippTools/src/pxchip.c	(revision 19390)
@@ -40,5 +40,5 @@
     psMetadataAddTime(md, PS_LIST_TAIL, "-dateobs_end",        0, "search for exposures by time (<)", NULL);
     psMetadataAddStr(md,  PS_LIST_TAIL, "-exp_tag",            0, "search by exp_tag", NULL);
-    psMetadataAddStr(md,  PS_LIST_TAIL, "-exp_type",           0, "search by exp_type", "object");
+    psMetadataAddStr(md,  PS_LIST_TAIL, "-exp_type",           0, "search by exp_type", NULL);
     psMetadataAddStr(md,  PS_LIST_TAIL, "-filelevel",          0, "search by filelevel", NULL);
     // psMetadataAddStr(md,  PS_LIST_TAIL, "-reduction",          0, "search by reduction class", NULL);