diff --git a/src/.clang-format b/src/.clang-format
index 32ad6820e64..bc50a5e190c 100644
--- a/src/.clang-format
+++ b/src/.clang-format
@@ -21,7 +21,7 @@ BinPackParameters: true
 
 BreakBeforeBraces: Custom
 
-ColumnLimit: 100
+ColumnLimit: 78
 PenaltyBreakBeforeFirstCallParameter: 1
 PenaltyExcessCharacter: 100
 
diff --git a/src/amd/compiler/.clang-format b/src/amd/compiler/.clang-format
index a9485e6b39f..dc1fd83e19c 100644
--- a/src/amd/compiler/.clang-format
+++ b/src/amd/compiler/.clang-format
@@ -1,6 +1,8 @@
 
 BasedOnStyle: InheritParentConfig
 
+ColumnLimit: 100
+
 # ACO clang-format rules:
 Language: Cpp
 Standard: c++14