diff --git a/uncompyle6/parsers/parse30.py b/uncompyle6/parsers/parse30.py
index b2e9e30a..512827ef 100644
--- a/uncompyle6/parsers/parse30.py
+++ b/uncompyle6/parsers/parse30.py
@@ -159,7 +159,7 @@ class Python30Parser(Python31Parser):
         and            ::= expr jmp_false_then expr come_from_opt
 
         whilestmt      ::= SETUP_LOOP testexpr l_stmts_opt come_from_opt
-                           JUMP_BACK come_froms POP_TOP POP_BLOCK COME_FROM_LOOP
+                           JUMP_BACK _come_froms POP_TOP POP_BLOCK COME_FROM_LOOP
         whilestmt      ::= SETUP_LOOP testexpr returns
                            POP_TOP POP_BLOCK COME_FROM_LOOP
         whilestmt      ::= SETUP_LOOP testexpr l_stmts_opt come_from_opt