1 files changed, 1 insertions, 0 deletions

diff --git a/symbol.h b/symbol.h
index 549eabdf61..5c52b9742b 100644
--- a/symbol.h
+++ b/symbol.h
@@ -25,6 +25,7 @@
 
 struct RSymbol {
     struct RBasic basic;
+    st_index_t hashval;
     VALUE fstr;
     ID id;
 };