Index: trunk/ippTools/src/stacktool.c
===================================================================
--- trunk/ippTools/src/stacktool.c	(revision 34081)
+++ trunk/ippTools/src/stacktool.c	(revision 34296)
@@ -1109,6 +1109,6 @@
     PXOPT_COPY_STR(config->args, where, "-skycell_id", "stackRun.skycell_id", "==");
     PXOPT_COPY_STR(config->args, where, "-filter", "stackRun.filter", "LIKE");
-    PXOPT_COPY_STR(config->args, where, "-label", "stackRun.label", "==");
-    PXOPT_COPY_STR(config->args, where, "-data_group", "stackRun.data_group", "LIKE");
+    pxAddLabelSearchArgs(config, where, "-label", "stackRun.label", "LIKE");
+    pxAddLabelSearchArgs(config, where, "-data_group", "stackRun.data_group", "LIKE");
     PXOPT_COPY_S16(config->args, where, "-fault", "stackSumSkyfile.fault", "==");
     PXOPT_COPY_F64(config->args, where, "-mjd_obs_begin", "stackSumSkyfile.mjd_obs", ">=");