diff --git a/lib/krb5/rd_req.c b/lib/krb5/rd_req.c
index f78c23692..bd50e00f8 100644
--- a/lib/krb5/rd_req.c
+++ b/lib/krb5/rd_req.c
@@ -133,7 +133,7 @@ static krb5_error_code
 check_transited(krb5_context context, Ticket *ticket, EncTicketPart *enc)
 {
     char **realms;
-    int num_realms;
+    unsigned int num_realms;
     krb5_error_code ret;
 	    
     /*