diff --git a/src/flow/lib/grammar.rb b/src/flow/lib/grammar.rb
index dfa3facbb8..976c3658e2 100644
--- a/src/flow/lib/grammar.rb
+++ b/src/flow/lib/grammar.rb
@@ -1,7 +1,7 @@
+# -------------------------------------------------------------------------- #
 # Autogenerated from a Treetop grammar. Edits may be lost.
 
 
-# -------------------------------------------------------------------------- #
 # Copyright 2010-2013, C12G Labs S.L.                                        #
 #                                                                            #
 # Licensed under the Apache License, Version 2.0 (the "License"); you may    #
@@ -931,7 +931,7 @@ module ElasticityGrammar
             val = nil
             st = "#{att}[--]"
         else
-            val = total / n_nodes
+            val = (total / n_nodes).round(2)
             st = "#{att}[#{val.to_s}]"
         end
 
diff --git a/src/flow/lib/grammar.treetop b/src/flow/lib/grammar.treetop
index c8f2434697..048007bb06 100644
--- a/src/flow/lib/grammar.treetop
+++ b/src/flow/lib/grammar.treetop
@@ -219,7 +219,7 @@ grammar ElasticityGrammar
                     val = nil
                     st = "#{att}[--]"
                 else
-                    val = total / n_nodes
+                    val = (total / n_nodes).round(2)
                     st = "#{att}[#{val.to_s}]"
                 end