diff --git a/src/online/steam.cpp b/src/online/steam.cpp
index c8d1f64e5..3267d9851 100644
--- a/src/online/steam.cpp
+++ b/src/online/steam.cpp
@@ -265,9 +265,8 @@ std::vector<std::string> Steam::getFriends()
  *  filename. Note that the avatar is always saved in png format (independent
  *  on what is specified as filename).
  */
-int Steam::saveAvatarAs(const std::string filename)
+int Steam::saveAvatarAs(const std::string &filename)
 {
-    //std::string s = sendCommand(std::string("avatar ")+filename);
     std::string s = sendCommand("avatar");
     if(s=="filename")
         s=sendCommand(filename);
diff --git a/src/online/steam.hpp b/src/online/steam.hpp
index 546fbddc3..bcc695900 100644
--- a/src/online/steam.hpp
+++ b/src/online/steam.hpp
@@ -61,7 +61,7 @@ public:
     ~Steam();
     const std::string& getUserName();
     const std::string& getSteamID();
-    int saveAvatarAs(const std::string filename);
+    int saveAvatarAs(const std::string &filename);
     std::vector<std::string> getFriends();
     // ------------------------------------------------------------------------
     /** Returns true if the connection to the Steam API was successful, i.e.