diff --git a/libsrc/meshing/meshclass.cpp b/libsrc/meshing/meshclass.cpp
index 703109a1..ea30e5f6 100644
--- a/libsrc/meshing/meshclass.cpp
+++ b/libsrc/meshing/meshclass.cpp
@@ -435,6 +435,7 @@ namespace netgen
     int inverttets = 0;  // globflags.GetDefineFlag ("inverttets");
     int invertsurf = 0;  // globflags.GetDefineFlag ("invertsurfacemesh");
 
+    outfile << "# Generated by NETGEN " << GetLibraryVersion("netgen") << endl << endl;
 
 
     outfile << "mesh3d" << "\n";