diff --git a/include/spdlog/cfg/env-inl.h b/include/spdlog/cfg/env-inl.h
index 6b76b214..46fead3a 100644
--- a/include/spdlog/cfg/env-inl.h
+++ b/include/spdlog/cfg/env-inl.h
@@ -84,27 +84,25 @@ SPDLOG_INLINE std::unordered_map<std::string, std::string> extract_key_vals_(con
     return rv;
 }
 
-inline details::logger_configs from_env_()
+inline details::registry::logger_cfgs from_env_()
 {
     using details::os::getenv;
-    details::logger_configs configs;
+    details::registry::logger_cfgs configs;
 
     auto levels = extract_key_vals_(getenv("SPDLOG_LEVEL"));
     auto patterns = extract_key_vals_(getenv("SPDLOG_PATTERN"));
 
     // merge to single dict. and take into account "*"
-    std::string default_level_name = "info";
-    std::string default_pattern = "%+";
     for (auto &name_level : levels)
     {
         auto &logger_name = name_level.first;
         auto level_name = to_lower_(name_level.second);
-        details::logger_cfg cfg;
+        details::registry::logger_cfg cfg;
         cfg.level_name = level_name;
-        configs[logger_name] = cfg;
+        configs.loggers.emplace(logger_name, cfg);
         if (logger_name == "*")
         {
-            default_level_name = cfg.level_name;
+            configs.default_cfg.level_name = cfg.level_name;
         }
     }
 
@@ -112,37 +110,25 @@ inline details::logger_configs from_env_()
     {
         auto &logger_name = name_pattern.first;
         auto &pattern = name_pattern.second;
-        auto it = configs.find(logger_name);
+        auto it = configs.loggers.find(logger_name);
 
-        if (it != configs.end())
+        if (it != configs.loggers.end())
         {
             it->second.pattern = pattern;
         }
         else
         {
-            details::logger_cfg cfg;
+            details::registry::logger_cfg cfg;
             cfg.pattern = pattern;
-            configs.insert({logger_name, cfg});
+            //configs.loggers.insert({logger_name, cfg});
+            configs.loggers.emplace(logger_name, cfg);
         }
         if (logger_name == "*")
         {
-            default_pattern = pattern;
+            configs.default_cfg.pattern = pattern;
         }
     }
 
-    // fill missing fields with the default values
-    for (auto &cfg : configs)
-    {
-        auto &val = cfg.second;
-        if (val.pattern.empty())
-        {
-            val.pattern = default_pattern;
-        }
-        if (val.level_name.empty())
-        {
-            val.level_name = default_level_name;
-        }
-    }
     return configs;
 }
 
diff --git a/include/spdlog/details/registry-inl.h b/include/spdlog/details/registry-inl.h
index 76355f2a..795fe062 100644
--- a/include/spdlog/details/registry-inl.h
+++ b/include/spdlog/details/registry-inl.h
@@ -263,40 +263,25 @@ SPDLOG_INLINE void registry::set_automatic_registration(bool automatic_registrat
 SPDLOG_INLINE void registry::set_configs(logger_cfgs configs)
 {
     std::lock_guard<std::mutex> lock(logger_map_mutex_);
-    logger_configs_ = std::move(configs);
-
     for (auto &l : loggers_)
     {
         auto &logger = l.second;
         auto cfg_it = configs.loggers.find(logger->name());
 
-        if (cfg_it != configs.loggers.end())
-        {
-            // set level
-            auto level = level::from_str(cfg_it->second.level_name);
-            logger->set_level(level);
-            // set pattern
-            auto &pattern = cfg_it->second.pattern;
-            logger->set_formatter(details::make_unique<pattern_formatter>(pattern));
+        // use default config if not found for this logger name
+        logger_cfg *cfg =  cfg_it != configs.loggers.end() ? &cfg_it->second : &configs.default_cfg;
+        if(cfg->level_name.empty()) {
+            cfg->level_name = configs.default_cfg.level_name;
         }
-        else // not found in cfgs - give it default settings
-        {
-            logger
-        }
-    }
 
-    for (const auto &logger_cfg : configs)
-    {
-        auto &logger_name = logger_cfg.first;
-        auto level = level::from_str(logger_cfg.second.level_name);
-        auto &pattern = logger_cfg.second.pattern;
-
-        if (auto logger = this->get(logger_name))
-        {
-            logger->set_level(level);
-            logger->set_pattern(pattern);
+        if(cfg->pattern.empty()) {
+            cfg->pattern = configs.default_cfg.pattern;
         }
+
+        logger->set_level(level::from_str(cfg->level_name));
+        logger->set_formatter(details::make_unique<pattern_formatter>(cfg->pattern));
     }
+    logger_cfgs_ = std::move(configs);
 }
 
 SPDLOG_INLINE registry &registry::instance()
diff --git a/include/spdlog/details/registry.h b/include/spdlog/details/registry.h
index 43cc69ee..8b81501c 100644
--- a/include/spdlog/details/registry.h
+++ b/include/spdlog/details/registry.h
@@ -29,8 +29,8 @@ class registry
 public:
     struct logger_cfg
     {
-        std::string level_name;
-        std::string pattern;
+        std::string level_name = "info";
+        std::string pattern = "%+";
     };
 
     struct logger_cfgs
@@ -112,7 +112,7 @@ private:
     std::unique_ptr<periodic_worker> periodic_flusher_;
     std::shared_ptr<logger> default_logger_;
     bool automatic_registration_ = true;
-    logger_configs logger_configs_;
+    logger_cfgs logger_cfgs_;
     size_t backtrace_n_messages_ = 0;
 };