Index: branches/czw_branch/20170908/ppMerge/src/ppMergeArguments.c
===================================================================
--- branches/czw_branch/20170908/ppMerge/src/ppMergeArguments.c	(revision 40128)
+++ branches/czw_branch/20170908/ppMerge/src/ppMergeArguments.c	(revision 40486)
@@ -261,4 +261,5 @@
     }
     if (!strcasecmp(typeStr, "FLAT") ||
+        !strcasecmp(typeStr, "FLATTEST") ||
         !strcasecmp(typeStr, "DOMEFLAT") ||
         !strcasecmp(typeStr, "SKYFLAT") ||