Index: trunk/ippTools/src/magictool.c
===================================================================
--- trunk/ippTools/src/magictool.c	(revision 25844)
+++ trunk/ippTools/src/magictool.c	(revision 26033)
@@ -114,7 +114,7 @@
     // Required
     PXOPT_LOOKUP_STR(workdir, config->args, "-workdir", false, false);
+    PXOPT_LOOKUP_STR(label, config->args, "-label", true, false);
 
     // Optional
-    PXOPT_LOOKUP_STR(label, config->args, "-label", false, false);
     PXOPT_LOOKUP_STR(data_group, config->args, "-data_group", false, false);
     PXOPT_LOOKUP_STR(note, config->args, "-note", false, false);
@@ -151,6 +151,9 @@
         // what if no skycells for the diff run completed?
 
-        if (!rerun) {
-            psStringAppend(&queryWhereStr, "\n%s magic_id IS NULL", queryWhereStr ? "AND" : "WHERE");
+        psStringAppend(&queryWhereStr, "\n%s (magic_id IS NULL", queryWhereStr ? "AND" : "WHERE");
+        if (rerun) {
+            psStringAppend(&queryWhereStr, " OR magicRun.label != '%s')", label);
+        } else {
+            psStringAppend(&queryWhereStr, ") ");
         }