diff --git a/include/spdlog/logger.h b/include/spdlog/logger.h
index 05675035..efb407c3 100644
--- a/include/spdlog/logger.h
+++ b/include/spdlog/logger.h
@@ -170,7 +170,7 @@ private:
     // common implementation for after templated public api has been resolved to format string and
     // args
     template <typename... Args>
-    void log_with_format_(source_loc loc, const level lvl, const format_string_t<Args...> &format_string, Args &&...args) {
+    void log_with_format_(const source_loc &loc, const level lvl, const format_string_t<Args...> &format_string, Args &&...args) {
         assert(should_log(lvl));
         try {
             memory_buf_t buf;