diff --git a/sources/reactphysics3d/integration/ExplicitEuler.cpp b/sources/reactphysics3d/integration/ExplicitEuler.cpp
index f2d1430a..193934ec 100644
--- a/sources/reactphysics3d/integration/ExplicitEuler.cpp
+++ b/sources/reactphysics3d/integration/ExplicitEuler.cpp
@@ -44,9 +44,9 @@ void ExplicitEuler::integrate(BodyState& bodyState, const Time& time, const Time
 
     // Compute the integrated body state
     bodyState.setPosition(bodyState.getPosition() + bodyState.getLinearVelocity() * dt);
-    bodyState.setLinearMomentum(bodyState.getLinearMomentum() + bodyState.getForce() * dt);
+    bodyState.setLinearMomentum(bodyState.getLinearMomentum() + bodyState.getExternalForce() * dt);
     bodyState.setOrientation(bodyState.getOrientation() + bodyState.getSpin() * dt);
-    bodyState.setAngularMomentum(bodyState.getAngularMomentum() + bodyState.getTorque() * dt);
+    bodyState.setAngularMomentum(bodyState.getAngularMomentum() + bodyState.getExternalTorque() * dt);
 
     // Recalculate the secondary values of the body state
     bodyState.recalculate();
diff --git a/sources/reactphysics3d/integration/SemiImplicitEuler.cpp b/sources/reactphysics3d/integration/SemiImplicitEuler.cpp
index 5f286fb8..d3d8c220 100644
--- a/sources/reactphysics3d/integration/SemiImplicitEuler.cpp
+++ b/sources/reactphysics3d/integration/SemiImplicitEuler.cpp
@@ -43,8 +43,8 @@ void SemiImplicitEuler::integrate(BodyState& bodyState, const Time& time, const
     double dt = timeStep.getValue();    // Timestep
 
     // Compute the integrated body state
-    bodyState.setLinearMomentum(bodyState.getLinearMomentum() + bodyState.getForce() * dt);
-    bodyState.setAngularMomentum(bodyState.getAngularMomentum() + bodyState.getTorque() * dt);
+    bodyState.setLinearMomentum(bodyState.getLinearMomentum() + bodyState.getExternalForce() * dt);
+    bodyState.setAngularMomentum(bodyState.getAngularMomentum() + bodyState.getExternalTorque() * dt);
 
     // Recalculate the secondary values of the body state
     bodyState.recalculate();