diff --git a/.clang-format b/.clang-format
index 6b78ab192f5..7929a7435f2 100644
--- a/.clang-format
+++ b/.clang-format
@@ -4,7 +4,7 @@ AlignOperands: Align
 AlwaysBreakAfterReturnType: TopLevelDefinitions
 BreakBeforeBinaryOperators: All
 BreakBeforeBraces: GNU
-ColumnLimit: 80
+ColumnLimit: 70
 ContinuationIndentWidth: 2
 IndentPPDirectives: AfterHash
 PPIndentWidth: 1