1 files changed, 1 insertions, 0 deletions
diff --git a/enum.c b/enum.c
index a09e3f0a7e..5e23bcff7e 100644
--- a/enum.c
+++ b/enum.c
@@ -24,6 +24,7 @@ struct iter_method_arg {
     VALUE *argv;
 };
 
+static VALUE iterate_method _((VALUE obj));
 static VALUE
 iterate_method(obj)
     VALUE obj;