diff --git a/moltemplate/ltemplify.py b/moltemplate/ltemplify.py
index d070d2dd..03cb1015 100755
--- a/moltemplate/ltemplify.py
+++ b/moltemplate/ltemplify.py
@@ -4743,7 +4743,7 @@ def Write(self, out_file):
         #                 '        ----------------------\n')
 
         if self.preamble_text != '':
-            out_file.write(self.preamble_text + '\n')
+            out_file.write(self.preamble_text + '\n\n')
 
         if self.mol_name != '':
             out_file.write(self.mol_name + ' {\n')