1 files changed, 1 insertions, 2 deletions
diff --git a/yjit.c b/yjit.c
index 3740b9003d..9f8c557489 100644
--- a/yjit.c
+++ b/yjit.c
@@ -845,8 +845,7 @@ rb_yarv_ary_entry_internal(VALUE ary, long offset)
     return rb_ary_entry_internal(ary, offset);
 }
 
-VALUE
-rb_yjit_rb_ary_unshift_m(int argc, VALUE *argv, VALUE ary);
+extern VALUE rb_ary_unshift_m(int argc, VALUE *argv, VALUE ary);
 
 VALUE
 rb_yjit_rb_ary_subseq_length(VALUE ary, long beg)