1 files changed, 1 insertions, 0 deletions
diff --git a/clang/lib/Format/ContinuationIndenter.cpp b/clang/lib/Format/ContinuationIndenter.cpp
index 26eb7e1bd4b..41a42d1e60e 100644
--- a/clang/lib/Format/ContinuationIndenter.cpp
+++ b/clang/lib/Format/ContinuationIndenter.cpp
@@ -725,6 +725,7 @@ unsigned ContinuationIndenter::moveStateToNextToken(LineState &State,
       AvoidBinPacking = Current.BlockKind == BK_Block ||
                         Current.Type == TT_ArrayInitializerLSquare ||
                         Current.Type == TT_DictLiteral ||
+                        Style.Language == FormatStyle::LK_Proto ||
                         !Style.BinPackParameters ||
                         (NextNoComment &&
                          NextNoComment->Type == TT_DesignatedInitializerPeriod);