diff --git a/generators/input/grenoble.rb b/generators/input/grenoble.rb
index f793709e6c1be854b18d324280eb28d2ef3dd727..efa0e71c39fbbeee14e4ea21926f62420bb11634 100755
--- a/generators/input/grenoble.rb
+++ b/generators/input/grenoble.rb
@@ -150,7 +150,7 @@ site :grenoble do |site_uid|
           :management => false,
           :vendor => 'Mellanox',
           :version => "MT26428 ConnectX IB QDR, PCIe 2.0 5.0GT/s",
-          :driver => "mlx4_core"
+          :driver => "mlx4_core",
           :network_address => "#{node_uid}-ib0.#{site_uid}.grid5000.fr",
           :ip => dns_lookup("#{node_uid}-ib0.#{site_uid}.grid5000.fr")
         },
@@ -239,7 +239,7 @@ site :grenoble do |site_uid|
           :management => false,
           :vendor => 'Mellanox',
           :version => "MT26428 ConnectX IB QDR, PCIe 2.0 5.0GT/s",
-          :driver => "mlx4_core"
+          :driver => "mlx4_core",
           :network_address => "#{node_uid}-ib0.#{site_uid}.grid5000.fr",
           :ip => dns_lookup("#{node_uid}-ib0.#{site_uid}.grid5000.fr")
         },