diff --git a/examples/cpp/network_routing_sat.cc b/examples/cpp/network_routing_sat.cc
index 2d63a9b527..6d339dc6f5 100644
--- a/examples/cpp/network_routing_sat.cc
+++ b/examples/cpp/network_routing_sat.cc
@@ -322,7 +322,7 @@ class NetworkRoutingDataBuilder {
 
   std::vector<std::vector<bool>> network_;
   std::vector<int> degrees_;
-  ACMRandom random_;
+  MTRandom random_;
 };
 
 // ---------- Solving the Problem ----------
diff --git a/ortools/base/random.cc b/ortools/base/random.cc
index f2e3766058..95ae0f92b5 100644
--- a/ortools/base/random.cc
+++ b/ortools/base/random.cc
@@ -34,7 +34,7 @@
 namespace operations_research {
 
 uint32 ACMRandom::Next() {
-  return absl::uniform_int_distribution<uint32>(0, kint32max)(generator_);
+  return absl::uniform_int_distribution<uint32>(0, kuint32max)(generator_);
 }
 
 uint32 ACMRandom::Uniform(uint32 n) {
@@ -42,7 +42,7 @@ uint32 ACMRandom::Uniform(uint32 n) {
 }
 
 uint64 ACMRandom::Next64() {
-  return absl::uniform_int_distribution<uint64>(0, kint64max)(generator_);
+  return absl::uniform_int_distribution<uint64>(0, kuint64max)(generator_);
 }
 
 uint64 ACMRandom::operator()(uint64 val_max) {