1 files changed, 1 insertions, 0 deletions
diff --git a/error.c b/error.c
index 4912869e43..31ffc32723 100644
--- a/error.c
+++ b/error.c
@@ -64,6 +64,7 @@ VALUE rb_iseqw_local_variables(VALUE iseqval);
 VALUE rb_iseqw_new(const rb_iseq_t *);
 int rb_str_end_with_asciichar(VALUE str, int c);
 
+long rb_backtrace_length_limit = -1;
 VALUE rb_eEAGAIN;
 VALUE rb_eEWOULDBLOCK;
 VALUE rb_eEINPROGRESS;