diff --git a/sys/ddb/db_ps.c b/sys/ddb/db_ps.c
index ab375d5e7ae..83cad2ea757 100644
--- a/sys/ddb/db_ps.c
+++ b/sys/ddb/db_ps.c
@@ -440,9 +440,16 @@ DB_SHOW_COMMAND(proc, db_show_proc)
 		    p->p_leader);
 	if (p->p_sysent != NULL)
 		db_printf(" ABI: %s\n", p->p_sysent->sv_name);
-	if (p->p_args != NULL)
-		db_printf(" arguments: %.*s\n", (int)p->p_args->ar_length,
-		    p->p_args->ar_args);
+	if (p->p_args != NULL) {
+		db_printf(" arguments: ");
+		for (i = 0; i < (int)p->p_args->ar_length; i++) {
+			if (p->p_args->ar_args[i] == '\0')
+				db_printf(" ");
+			else
+				db_printf("%c", p->p_args->ar_args[i]);
+		}
+		db_printf("\n");
+	}
 	db_printf(" threads: %d\n", p->p_numthreads);
 	FOREACH_THREAD_IN_PROC(p, td) {
 		dumpthread(p, td, 1);