diff --git a/include/components/logger.hpp b/include/components/logger.hpp
index 0d270927..6d995072 100644
--- a/include/components/logger.hpp
+++ b/include/components/logger.hpp
@@ -100,6 +100,7 @@ class logger {
   /**
    * Convert string
    */
+  const char* convert(string& arg) const;
   const char* convert(const string& arg) const;
 
   /**
diff --git a/src/components/logger.cpp b/src/components/logger.cpp
index f1e968c8..f5151799 100644
--- a/src/components/logger.cpp
+++ b/src/components/logger.cpp
@@ -13,6 +13,10 @@ POLYBAR_NS
 /**
  * Convert string
  */
+const char* logger::convert(string& arg) const {
+  return arg.c_str();
+}
+
 const char* logger::convert(const string& arg) const {
   return arg.c_str();
 }