diff --git a/src/Network/fgcom.cxx b/src/Network/fgcom.cxx
index 5bff1dc..518b3d3 100644
--- a/src/Network/fgcom.cxx
+++ b/src/Network/fgcom.cxx
@@ -16,11 +16,9 @@
 // along with this program; if not, write to the Free Software
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
-#include <stdlib.h>
-using std::string;
+//#include <stdlib.h>
 
-
-# include <config.h>
+#include <config.h>
 
 #include "fgcom.hxx"
 
@@ -651,8 +649,10 @@ void FGCom::valueChanged(SGPropertyNode *prop)
 
           SGPath soundpath( globals->get_fg_root() );
           soundpath.append( "/Sounds/click.wav" );
+
           SG_LOG(SG_SOUND, SG_ALERT, "FGCom: PTT active: " << soundpath);
-          string urlcmd = "ffplay -nodisp -autoexit -loglevel quiet -i ";
+          
+          std::string urlcmd = "ffplay -nodisp -autoexit -loglevel quiet -i ";
           urlcmd.append(soundpath);
           SG_LOG(SG_SOUND, SG_INFO, "CMD :" << urlcmd );
           system(urlcmd.c_str());