Index: trunk/ppMerge/src/ppMergeArguments.c
===================================================================
--- trunk/ppMerge/src/ppMergeArguments.c	(revision 26500)
+++ trunk/ppMerge/src/ppMergeArguments.c	(revision 33666)
@@ -289,4 +289,8 @@
         strcasecmp(typeStr, "FLATMASK") == 0) {
       type = PPMERGE_TYPE_MASK;
+      goto VALID;
+    }
+    if (strcasecmp(typeStr, "NOISEMAP") == 0) {
+      type = PPMERGE_TYPE_NOISEMAP;
       goto VALID;
     }