1 files changed, 1 insertions, 1 deletions
diff --git a/utils/su.c b/utils/su.c
index 4efc7bd3..1772a377 100644
--- a/utils/su.c
+++ b/utils/su.c
@@ -124,7 +124,7 @@ main (int argc, char **argv)
 	mode = pgrp;
 	break;
 
-      case '\0':		/* Non-option argument.  */
+      case 1:		/* Non-option argument.  */
 	switch (mode)
 	  {
 	  case user: