diff --git a/test/simple_source/looping/12_if_while_bug.py b/test/simple_source/looping/12_if_while_bug.py
index e13ed1a5..c3f745c4 100644
--- a/test/simple_source/looping/12_if_while_bug.py
+++ b/test/simple_source/looping/12_if_while_bug.py
@@ -3,11 +3,11 @@
 # end of if can come from both finishing loop
 # and not taking the if.
 
-# whilestmt ::= SETUP_LOOP testexpr l_stmts_opt JUMP_BACK POP_BLOCK \e__come_from
+# whilestmt ::= SETUP_LOOP testexpr l_stmts_opt JUMP_BACK POP_BLOCK \e__come_froms
 # _ifstmts_jump ::= c_stmts_opt JUMP_FORWARD \e__come_from
 # ifstmt ::= testexpr _ifstmts_jump
-# _come_from ::= _come_from COME_FROM
-# _ifstmts_jump ::= c_stmts_opt JUMP_FORWARD _come_from
+# _come_froms ::= _come_froms COME_FROM
+# _ifstmts_jump ::= c_stmts_opt JUMP_FORWARD _come_froms
 
 def splitext(p, sep, altsep, extsep):
     if altsep > extsep:
diff --git a/uncompyle6/parsers/parse27.py b/uncompyle6/parsers/parse27.py
index e11764a2..bd86f880 100644
--- a/uncompyle6/parsers/parse27.py
+++ b/uncompyle6/parsers/parse27.py
@@ -97,7 +97,7 @@ class Python27Parser(Python2Parser):
         # assert condition, expr
         assert2    ::= assert_expr jmp_true LOAD_ASSERT expr CALL_FUNCTION_1 RAISE_VARARGS_1
 
-        for_block  ::= return_stmts _come_from
+        for_block  ::= return_stmts _come_froms
 
         withstmt   ::= expr SETUP_WITH POP_TOP suite_stmts_opt
                        POP_BLOCK LOAD_CONST COME_FROM_WITH