1 files changed, 1 insertions, 1 deletions
diff --git a/dir.c b/dir.c
index 09b78c6b4b..51312717fe 100644
--- a/dir.c
+++ b/dir.c
@@ -2248,7 +2248,7 @@ dir_s_home(int argc, VALUE *argv, VALUE obj)
  *
  */
 VALUE
-rb_file_directory_p()
+rb_file_directory_p(void)
 {
 }
 #endif