diff --git a/.clang-format b/.clang-format
index 6cc53f6..3ce5fb1 100644
--- a/.clang-format
+++ b/.clang-format
@@ -49,5 +49,6 @@ SpacesInAngles: false
 SpacesInCStyleCastParentheses: false
 SpacesInConditionalStatement: false
 Standard: c++11
+TabWidth: 4
 UseCRLF: false
 UseTab: Never