diff --git a/programs/test/udp_proxy.c b/programs/test/udp_proxy.c
index 0165d3f..41739d0 100644
--- a/programs/test/udp_proxy.c
+++ b/programs/test/udp_proxy.c
@@ -249,8 +249,8 @@
 
             if( *delay_cnt == MAX_DELAYED_HS )
             {
-                mbedtls_printf( " maximally %d uses of delay_cli argument allowed\n",
-                                MAX_DELAYED_HS );
+                mbedtls_printf( " too many uses of %s: only %d allowed\n",
+                                p, MAX_DELAYED_HS );
                 exit_usage( p, NULL );
             }