diff --git a/kde-modules/clang-format.cmake b/kde-modules/clang-format.cmake
--- a/kde-modules/clang-format.cmake
+++ b/kde-modules/clang-format.cmake
@@ -36,8 +36,8 @@
 # 4 spaces indent
 TabWidth: 4
 
-# 3 * 80 wide lines
-ColumnLimit: 240
+# 100 chars wide lines
+ColumnLimit: 100
 
 # sort includes inside line separated groups
 SortIncludes: true