1 files changed, 1 insertions, 1 deletions
diff --git a/eval.c b/eval.c
index cba6428762..940b256545 100644
--- a/eval.c
+++ b/eval.c
@@ -12570,7 +12570,7 @@ thgroup_list(group)
  *     ThreadError: can't move from the enclosed thread group
  */
 
-VALUE
+static VALUE
 thgroup_enclose(group)
     VALUE group;
 {