diff --git a/templates/edit_data.tmpl b/templates/edit_data.tmpl
index 336702f1ced..ef2375fec8d 100644
--- a/templates/edit_data.tmpl
+++ b/templates/edit_data.tmpl
@@ -27,6 +27,7 @@
 
 #def datatype( $dataset, $datatypes )
 <select name="datatype">
+#$datatypes.sort()
 #for $ext in $datatypes:
    #if $dataset.ext == $ext
    <option value="$ext" selected="yes">$ext</option>
@@ -92,4 +93,4 @@
 
 </body>
 
-</html>
\ No newline at end of file
+</html>