diff --git a/bfps/_code.py b/bfps/_code.py
index 61b79fead383e4bddbf52c022e331f12ff39e3c3..fe7c35ab48c27573ddeab3f18864aa4642408edf 100644
--- a/bfps/_code.py
+++ b/bfps/_code.py
@@ -389,7 +389,7 @@ class _code(_base):
 
         script_file.write('# @ node_usage = not_shared\n')
         script_file.write('# @ notification = complete\n')
-        script_file.write('# @ notify_user = {0}\n'.format(self.host_info['mail_address'])
+        script_file.write('# @ notify_user = {0}\n'.format(self.host_info['mail_address']))
 
         nb_cpus_per_node = self.host_info['deltanprocs']
         assert isinstance(nb_cpus_per_node, int) and \
@@ -486,7 +486,7 @@ class _code(_base):
         script_file.write('# @ node_usage = not_shared\n')
 
         script_file.write('# @ notification = error\n')
-        script_file.write('# @ notify_user = {0}\n'.format(self.host_info['mail_address'])
+        script_file.write('# @ notify_user = {0}\n'.format(self.host_info['mail_address']))
         script_file.write('#\n')
 
         nb_cpus_per_node = self.host_info['deltanprocs']