diff --git a/src/FDM/ExternalNet.cxx b/src/FDM/ExternalNet.cxx
index e35683681..01d565e79 100644
--- a/src/FDM/ExternalNet.cxx
+++ b/src/FDM/ExternalNet.cxx
@@ -233,8 +233,7 @@ static void net2global( FGNetFDM *net ) {
 }
 
 
-FGExternalNet::FGExternalNet( double dt, int dop, int dip, int cp,
-			      string host )
+FGExternalNet::FGExternalNet( double dt, string host, int dop, int dip, int cp )
 {
     set_delta_t( dt );
 
diff --git a/src/FDM/ExternalNet.hxx b/src/FDM/ExternalNet.hxx
index cb003ce29..1d8c0487e 100644
--- a/src/FDM/ExternalNet.hxx
+++ b/src/FDM/ExternalNet.hxx
@@ -77,7 +77,8 @@ private:
 public:
 
     // Constructor
-    FGExternalNet::FGExternalNet( double dt, int dop, int dip, int cp, string host );
+    FGExternalNet::FGExternalNet( double dt,
+                                  string host, int dop, int dip, int cp );
 
     // Destructor
     FGExternalNet::~FGExternalNet();