diff --git a/Unreal/CarlaUE4/Plugins/Carla/Source/Carla/MapGen/DoublyConnectedEdgeList.cpp b/Unreal/CarlaUE4/Plugins/Carla/Source/Carla/MapGen/DoublyConnectedEdgeList.cpp
index 58a2db67a..3d1108b27 100644
--- a/Unreal/CarlaUE4/Plugins/Carla/Source/Carla/MapGen/DoublyConnectedEdgeList.cpp
+++ b/Unreal/CarlaUE4/Plugins/Carla/Source/Carla/MapGen/DoublyConnectedEdgeList.cpp
@@ -44,7 +44,7 @@ namespace MapGen {
     using Dcel = DoublyConnectedEdgeList;
     // from [-pi, pi] to [0, 1].
     auto normalize = [](auto a) {
-      constexpr decltype(a) twoPi = 2.0 * 3.14159265359;
+      constexpr float twoPi = 2.0 * 3.14159265359;
       a /= twoPi;
       while (a >= 1.0) a -= 1.0;
       while (a <  0.0) a += 1.0;