diff --git a/include/reactphysics3d/collision/narrowphase/CollisionDispatch.h b/include/reactphysics3d/collision/narrowphase/CollisionDispatch.h
index cf09f961..217d1f2c 100644
--- a/include/reactphysics3d/collision/narrowphase/CollisionDispatch.h
+++ b/include/reactphysics3d/collision/narrowphase/CollisionDispatch.h
@@ -40,7 +40,7 @@ namespace reactphysics3d {
 /// Enumeration for the type of narrow-phase
 /// collision detection algorithm
 enum class NarrowPhaseAlgorithmType {
-    None,
+    NONE,
     SphereVsSphere,
     SphereVsCapsule,
     CapsuleVsCapsule,
diff --git a/include/reactphysics3d/collision/narrowphase/NarrowPhaseInput.h b/include/reactphysics3d/collision/narrowphase/NarrowPhaseInput.h
index 4ac07eab..1dbf89c0 100644
--- a/include/reactphysics3d/collision/narrowphase/NarrowPhaseInput.h
+++ b/include/reactphysics3d/collision/narrowphase/NarrowPhaseInput.h
@@ -152,7 +152,7 @@ RP3D_FORCE_INLINE void NarrowPhaseInput::addNarrowPhaseTest(uint64 pairId, Entit
         case NarrowPhaseAlgorithmType::ConvexPolyhedronVsConvexPolyhedron:
             mConvexPolyhedronVsConvexPolyhedronBatch.addNarrowPhaseInfo(pairId, collider1, collider2, shape1, shape2, shape1Transform, shape2Transform, reportContacts, lastFrameInfo, shapeAllocator);
             break;
-        case NarrowPhaseAlgorithmType::None:
+        case NarrowPhaseAlgorithmType::NONE:
             // Must never happen
             assert(false);
             break;
diff --git a/src/collision/narrowphase/CollisionDispatch.cpp b/src/collision/narrowphase/CollisionDispatch.cpp
index fbdd5156..3a95d0b2 100644
--- a/src/collision/narrowphase/CollisionDispatch.cpp
+++ b/src/collision/narrowphase/CollisionDispatch.cpp
@@ -75,7 +75,7 @@ NarrowPhaseAlgorithmType CollisionDispatch::selectAlgorithm(int type1, int type2
     CollisionShapeType shape2Type = static_cast<CollisionShapeType>(type2);
 
     if (type1 > type2) {
-        return NarrowPhaseAlgorithmType::None;
+        return NarrowPhaseAlgorithmType::NONE;
     }
     // Sphere vs Sphere algorithm
     if (shape1Type == CollisionShapeType::SPHERE && shape2Type == CollisionShapeType::SPHERE) {
@@ -103,7 +103,7 @@ NarrowPhaseAlgorithmType CollisionDispatch::selectAlgorithm(int type1, int type2
         return NarrowPhaseAlgorithmType::ConvexPolyhedronVsConvexPolyhedron;
     }
 
-    return NarrowPhaseAlgorithmType::None;
+    return NarrowPhaseAlgorithmType::NONE;
 }
 
 // Set the Sphere vs Sphere narrow-phase collision detection algorithm
diff --git a/src/systems/CollisionDetectionSystem.cpp b/src/systems/CollisionDetectionSystem.cpp
index 8d2f2ec5..eb5ac0f7 100644
--- a/src/systems/CollisionDetectionSystem.cpp
+++ b/src/systems/CollisionDetectionSystem.cpp
@@ -478,7 +478,7 @@ void CollisionDetectionSystem::computeConvexVsConcaveMiddlePhase(OverlappingPair
 
     assert(convexShape->isConvex());
     assert(!concaveShape->isConvex());
-    assert(overlappingPair.narrowPhaseAlgorithmType != NarrowPhaseAlgorithmType::None);
+    assert(overlappingPair.narrowPhaseAlgorithmType != NarrowPhaseAlgorithmType::NONE);
 
     // Compute the convex shape AABB in the local-space of the concave shape
     AABB aabb;