diff --git a/include/spdlog/cfg/env-inl.h b/include/spdlog/cfg/env-inl.h
index 21715c98..d4ce0d14 100644
--- a/include/spdlog/cfg/env-inl.h
+++ b/include/spdlog/cfg/env-inl.h
@@ -79,7 +79,7 @@ SPDLOG_INLINE std::unordered_map<std::string, std::string> extract_key_vals_(con
     return rv;
 }
 
-inline details::registry::logger_levels from_string_(const std::string& input)
+inline details::registry::logger_levels levels_from_string_(const std::string& input)
 {
     auto key_vals = extract_key_vals_(input);
     details::registry::logger_levels rv;
@@ -110,7 +110,7 @@ inline details::registry::logger_levels from_string_(const std::string& input)
 
 SPDLOG_INLINE void load_levels()
 {
-    auto levels = from_string_(details::os::getenv("SPDLOG_LEVEL"));
+    auto levels = levels_from_string_(details::os::getenv("SPDLOG_LEVEL"));
     spdlog::details::registry::instance().set_levels(levels);
 }