Index: trunk/ppMerge/src/ppMergeArguments.c
===================================================================
--- trunk/ppMerge/src/ppMergeArguments.c	(revision 24119)
+++ trunk/ppMerge/src/ppMergeArguments.c	(revision 24734)
@@ -248,4 +248,5 @@
     }
     if (strcasecmp(typeStr, "DARK") == 0 ||
+        strcasecmp(typeStr, "DARKTEST") == 0 ||
         strcasecmp(typeStr, "DARK_PREMASK") == 0) {
       type = PPMERGE_TYPE_DARK;