diff --git a/include/spdlog/pattern_formatter.h b/include/spdlog/pattern_formatter.h
index a1a64807..df046f67 100644
--- a/include/spdlog/pattern_formatter.h
+++ b/include/spdlog/pattern_formatter.h
@@ -80,7 +80,7 @@ public:
     using custom_flags = std::unordered_map<char, std::unique_ptr<custom_flag_formatter>>;
 
     explicit pattern_formatter(std::string pattern, pattern_time_type time_type = pattern_time_type::local,
-        std::string eol = spdlog::details::os::default_eol, custom_flags custom_user_flags = custom_flags());
+    std::string eol = spdlog::details::os::default_eol, custom_flags custom_user_flags = custom_flags());
 
     // use default pattern is not given
     explicit pattern_formatter(pattern_time_type time_type = pattern_time_type::local, std::string eol = spdlog::details::os::default_eol);