diff --git a/Tools/gnuplot/modulefile b/Tools/gnuplot/modulefile
index 1ec2118..e1052c8 100644
--- a/Tools/gnuplot/modulefile
+++ b/Tools/gnuplot/modulefile
@@ -1,4 +1,4 @@
-#%Module1.0
+#%PModule
 
 module-whatis		"portable command-line driven graphing utility"
 module-url		"http://www.gnuplot.info/"