diff --git a/.clang-format b/.clang-format
index 28e3328..a75a2c2 100644
--- a/.clang-format
+++ b/.clang-format
@@ -17,9 +17,7 @@
 AllowShortIfStatementsOnASingleLine: Never
 AllowShortLambdasOnASingleLine: true
 AllowShortLoopsOnASingleLine: false
-AlwaysBreakAfterReturnType: None
 AlwaysBreakBeforeMultilineStrings: false
-AlwaysBreakTemplateDeclarations: Yes
 BinPackArguments: true
 BinPackParameters: true
 BitFieldColonSpacing: None
@@ -43,12 +41,14 @@
   SplitEmptyRecord:     false
   SplitEmptyNamespace:  false
 BreakAfterAttributes: Never
+BreakAfterReturnType: Automatic
 BreakBeforeBinaryOperators: None
 BreakBeforeBraces: Custom
 BreakBeforeTernaryOperators: true
 BreakConstructorInitializers: AfterColon
 BreakInheritanceList: AfterColon
 BreakStringLiterals: false
+BreakTemplateDeclarations: Yes
 ColumnLimit:     80
 CommentPragmas:  '^ IWYU pragma:'
 CompactNamespaces: false
diff --git a/attn/attn_main.cpp b/attn/attn_main.cpp
index 281149d..ea8d050 100644
--- a/attn/attn_main.cpp
+++ b/attn/attn_main.cpp
@@ -15,10 +15,8 @@
     boost::asio::io_context io; // async io monitoring service
 
     // GPIO line configuration (falling edge, active low)
-    struct gpiod_line_request_config config
-    {
-        "attention", GPIOD_LINE_REQUEST_EVENT_FALLING_EDGE, 0
-    };
+    struct gpiod_line_request_config config{
+        "attention", GPIOD_LINE_REQUEST_EVENT_FALLING_EDGE, 0};
 
     // get handle to attention GPIO line
     line = gpiod_line_find("checkstop");