Index: driver/cfa.cc
===================================================================
--- driver/cfa.cc	(revision c8c0c7c5291339c09222f6f42efd7ecbcf3e63cb)
+++ driver/cfa.cc	(revision c334ecd91e8daf7753eef5c19fbe23d534e7606e)
@@ -10,6 +10,6 @@
 // Created On       : Tue Aug 20 13:44:49 2002
 // Last Modified By : Peter A. Buhr
-// Last Modified On : Tue Sep 10 17:00:15 2019
-// Update Count     : 420
+// Last Modified On : Fri Jan 31 16:48:03 2020
+// Update Count     : 421
 //
 
@@ -187,4 +187,5 @@
 			} else if ( arg == "-XCFA" ) {				// CFA pass through
 				i += 1;
+				if ( i == argc ) continue;				// next argument available ?
 				Putenv( argv, argv[i] );