diff --git a/lib/roken/k_getpwnam.c b/lib/roken/k_getpwnam.c
index 484caeae4..eafac169e 100644
--- a/lib/roken/k_getpwnam.c
+++ b/lib/roken/k_getpwnam.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1995, 1996, 1997, 1998 Kungliga Tekniska Högskolan
+ * Copyright (c) 1995, 1996, 1997, 1998, 1999 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden).
  * All rights reserved.
  * 
@@ -47,7 +47,7 @@ RCSID("$Id$");
 #endif
 
 struct passwd *
-k_getpwnam (char *user)
+k_getpwnam (const char *user)
 {
      struct passwd *p;