diff --git a/examples/dotnet/NetworkRoutingSat.cs b/examples/dotnet/NetworkRoutingSat.cs
index 4a8dea7976..429ba619b4 100644
--- a/examples/dotnet/NetworkRoutingSat.cs
+++ b/examples/dotnet/NetworkRoutingSat.cs
@@ -488,7 +488,7 @@ public class NetworkRoutingSat
                 tmpVars.Add(nodeVars[i]);
                 tmpVars.Add(nodeVars[i + 1]);
                 tmpVars.Add(arcVars[i]);
-                var table = cpModel.AddAllowedAssignments(tmpVars, arcs);
+                cpModel.AddAllowedAssignments(tmpVars).AddTuples(arcs);
             }
 
             var demand = _demands[demandIndex];
@@ -712,7 +712,7 @@ public class NetworkRoutingSat
                     pathCount++;
                 }
 
-                var pathCt = cpModel.AddAllowedAssignments(pathVars[demandIndex], tuples);
+                cpModel.AddAllowedAssignments(pathVars[demandIndex]).AddTuples(tuples);
             }
 
             var trafficVars = new List<IntVar>(numArcs);