diff --git a/lib/Format/TokenAnnotator.cpp b/lib/Format/TokenAnnotator.cpp
index 427157e..24e2b1f 100644
--- a/lib/Format/TokenAnnotator.cpp
+++ b/lib/Format/TokenAnnotator.cpp
@@ -1137,7 +1137,8 @@
   if (Right.Type == TT_ConditionalExpr || Right.is(tok::question))
     return true;
   if (Right.Type == TT_RangeBasedForLoopColon ||
-      Right.Type == TT_InheritanceColon)
+      Right.Type == TT_InheritanceColon ||
+      Right.Type == TT_OverloadedOperatorLParen)
     return false;
   if (Left.Type == TT_RangeBasedForLoopColon ||
       Left.Type == TT_InheritanceColon)