diff --git a/yapf/yapflib/format_decision_state.py b/yapf/yapflib/format_decision_state.py
index 1a6daddcb..308fd75b9 100644
--- a/yapf/yapflib/format_decision_state.py
+++ b/yapf/yapflib/format_decision_state.py
@@ -575,7 +575,7 @@ def SurroundedByParens(token):
           if split_before and prev_token:
             clause_start = _PrevLogicalClause(prev_token)
             length += opening.total_length - clause_start.total_length
-          elif not split_before and next_token
+          elif not split_before and next_token:
             clause_end = _NextLogicalClause(next_token)
             length += clause_end.total_length - ending.total_length
         else: