diff --git a/lib/Slic3r/Print.pm b/lib/Slic3r/Print.pm
index 89921bb5e..3af40005a 100644
--- a/lib/Slic3r/Print.pm
+++ b/lib/Slic3r/Print.pm
@@ -442,7 +442,7 @@ sub export_gcode {
     
     # write some information
     my @lt = localtime;
-    printf $fh "; generated by Slic3r on %02d-%02d-%02d at %02d:%02d:%02d\n\n",
+    printf $fh "; generated by Slic3r $Slic3r::VERSION on %02d-%02d-%02d at %02d:%02d:%02d\n\n",
         $lt[5] + 1900, $lt[4], $lt[3], $lt[2], $lt[1], $lt[0];
     
     print  $fh "; most important settings used:\n";