diff --git a/src/PlayerOptions.cpp b/src/PlayerOptions.cpp
index 11fbafffdc..e33c4108d8 100644
--- a/src/PlayerOptions.cpp
+++ b/src/PlayerOptions.cpp
@@ -265,7 +265,7 @@ void PlayerOptions::FromString( const RString &sMultipleMods )
 	{
 		if (!FromOneModString( *s, sThrowAway ))
 		{
-			LOG->Trace( "Attempted to load a non-existing mod %s for the Player. Ignoring.", s );
+			LOG->Trace( "Attempted to load a non-existing mod %s for the Player. Ignoring.", (*s).c_str() );
 		}
 	}
 }