diff --git a/src/share/vm/runtime/globals.cpp b/src/share/vm/runtime/globals.cpp
index 74f7acdbab424cc0e81c5b73aa9b88702ae1a913..801f7b89addf54a48dc5e7f4376122aa75426f5a 100644
--- a/src/share/vm/runtime/globals.cpp
+++ b/src/share/vm/runtime/globals.cpp
@@ -325,7 +325,7 @@ void Flag::print_on(outputStream* st, bool withComments) {
     else st->print("%-16s", "");
   }
 
-  st->print("%-20");
+  st->print("%-20s", " ");
   print_kind(st);
 
   if (withComments) {