1 files changed, 1 insertions, 0 deletions
diff --git a/src/interp.h b/src/interp.h
index d4940e0..1989ab3 100644
--- a/src/interp.h
+++ b/src/interp.h
@@ -34,6 +34,7 @@ struct interp {
     SExpRef nil;
     char *errmsg_buf;
     Parser *parser;
+    int gensym_cnt;
 };
 
 void Interp_init(Interp *self);