diff --git a/orte/mca/rmaps/rank_file/rankfile_lex.l b/orte/mca/rmaps/rank_file/rankfile_lex.l
index 79b2b93c40..bd62570fac 100644
--- a/orte/mca/rmaps/rank_file/rankfile_lex.l
+++ b/orte/mca/rmaps/rank_file/rankfile_lex.l
@@ -51,6 +51,7 @@ int rank_file_wrap(void)
  */
 int rank_file_line=1;
 rank_file_value_t rank_file_value;
+bool rank_file_done = false;
 
 %}