diff --git a/.clang-format b/.clang-format
index c950f944452..8a5739e47f1 100644
--- a/.clang-format
+++ b/.clang-format
@@ -19,4 +19,5 @@
     SpacesInAngles: false,
     SpacesInParentheses: false,
     SpacesInSquareBrackets: false,
+    Standard: c++03,
 }