diff --git a/test/custom-formatter-test.cc b/test/custom-formatter-test.cc
index cc9c4485..0b573841 100644
--- a/test/custom-formatter-test.cc
+++ b/test/custom-formatter-test.cc
@@ -30,8 +30,8 @@ class CustomArgFormatter
 
 // A custom argument formatter that doesn't print `-` for floating-point values
 // rounded to 0.
-class CustomPrintfArgFormatter :
-    public BasicPrintfArgFormatter<CustomPrintfArgFormatter, char> {
+class CustomPrintfArgFormatter
+  : public BasicPrintfArgFormatter<CustomPrintfArgFormatter, char> {
  public:
   typedef BasicPrintfArgFormatter<CustomPrintfArgFormatter, char> Base;