diff --git a/Python/symtable.c b/Python/symtable.c
index c18b39e..51b59f0 100644
--- a/Python/symtable.c
+++ b/Python/symtable.c
@@ -59,6 +59,7 @@
     ste->ste_varargs = 0;
     ste->ste_varkeywords = 0;
     ste->ste_opt_lineno = 0;
+    ste->ste_tmpname = 0;
     ste->ste_lineno = lineno;
 
     if (st->st_cur != NULL &&