diff --git a/lib/asn1/asn1_print.c b/lib/asn1/asn1_print.c
index c71752a3d..9c15becc7 100644
--- a/lib/asn1/asn1_print.c
+++ b/lib/asn1/asn1_print.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 1997 - 2000 Kungliga Tekniska Högskolan
+ * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
  * (Royal Institute of Technology, Stockholm, Sweden). 
  * All rights reserved. 
  *
@@ -147,7 +147,7 @@ loop (unsigned char *buf, size_t len, int indent)
 		if (ret)
 		    errx (1, "der_get_octet_string: %s",
 			  com_right (et_list, ret));
-		printf ("(length %d), ", length);
+		printf ("(length %lu), ", (unsigned long)length);
 		uc = (unsigned char *)str.data;
 		for (i = 0; i < 16; ++i)
 		    printf ("%02x", uc[i]);
@@ -168,7 +168,7 @@ loop (unsigned char *buf, size_t len, int indent)
 		break;
 	    }
 	    default :
-		printf ("%d bytes\n", length);
+		printf ("%lu bytes\n", (unsigned long)length);
 		break;
 	    }
 	}