diff --git a/include/spdlog/common.h b/include/spdlog/common.h
index bad9c317..cb656386 100644
--- a/include/spdlog/common.h
+++ b/include/spdlog/common.h
@@ -87,16 +87,6 @@ enum level_enum
     off = 6
 };
 
-static std::unordered_map<std::string, level_enum> name_to_level = {
-                                                                        { "trace"   , level::trace },
-                                                                        { "debug"   , level::debug },
-                                                                        { "info"    , level::info },
-                                                                        { "warning" , level::warn },
-                                                                        { "error"   , level::err },
-                                                                        { "critical", level::critical },
-                                                                        { "off"     , level::off }
-                                                                   };
-
 
 #if !defined(SPDLOG_LEVEL_NAMES)
 #define SPDLOG_LEVEL_NAMES { "trace", "debug", "info", "warning", "error", "critical", "off" }
@@ -116,6 +106,15 @@ inline const char* to_short_str(spdlog::level::level_enum l)
 }
 inline spdlog::level::level_enum to_level_enum(const std::string& name)
 {
+    static std::unordered_map<std::string, level_enum> name_to_level = {
+                                                                            { level_names[0], level::trace },
+                                                                            { level_names[1], level::debug },
+                                                                            { level_names[2], level::info },
+                                                                            { level_names[3], level::warn },
+                                                                            { level_names[4], level::err },
+                                                                            { level_names[5], level::critical },
+                                                                            { level_names[6], level::off }
+                                                                       };
     auto ci = name_to_level.find(name);
     if (ci != name_to_level.end())
     {