diff --git a/src/Network/fgcom.cxx b/src/Network/fgcom.cxx
index 14f9e31..5bff1dc 100644
--- a/src/Network/fgcom.cxx
+++ b/src/Network/fgcom.cxx
@@ -17,6 +17,7 @@
 // Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 #include <stdlib.h>
+using std::string;
 
 
 # include <config.h>