diff --git a/include/spdlog/details/line_logger.h b/include/spdlog/details/line_logger.h
index da121c11..80d7cc13 100644
--- a/include/spdlog/details/line_logger.h
+++ b/include/spdlog/details/line_logger.h
@@ -206,7 +206,7 @@ public:
         _enabled = false;
     }
 
-    bool is_enabled()
+    bool is_enabled() const
     {
         return _enabled;
     }