diff --git a/src/one-body-sample.py b/src/one-body-sample.py
index 00bf779977c63482b0dbaa57e40d497dd6125960..313edd816bca47204f1522934542ca5a3ed1a69a 100644
--- a/src/one-body-sample.py
+++ b/src/one-body-sample.py
@@ -1,15 +1,15 @@
 class neumannCondition:
     def __call__(self, x):
         return 0
-        # fst = 3e3
-        # snd = 5e3
-        # trd = 3e3
-        # if x < 1.0/3:
-        #     return fst * x
-        # elif x < 2.0/3:
-        #     return snd * (x - 1.0/3) + fst * 1.0/3
-        # else:
-        #     return trd * (x - 2.0/3) + (fst + snd) * 1.0/3
+        fst = 3e3
+        snd = 5e3
+        trd = 3e3
+        if x < 1.0/3:
+            return fst * x
+        elif x < 2.0/3:
+            return snd * (x - 1.0/3) + fst * 1.0/3
+        else:
+            return trd * (x - 2.0/3) + (fst + snd) * 1.0/3
 
 class dirichletCondition:
     def __call__(self, x):