1 files changed, 1 insertions, 0 deletions
diff --git a/symbol.c b/symbol.c
index f067ebe3f9..1127020d17 100644
--- a/symbol.c
+++ b/symbol.c
@@ -664,6 +664,7 @@ rb_gc_free_dsymbol(VALUE sym)
     if (str) {
 	RSYMBOL(sym)->fstr = 0;
 	unregister_sym(str, sym);
+	rb_hash_delete_entry(global_symbols.dsymbol_fstr_hash, str);
     }
 }