diff --git a/OdeWorld.cc b/OdeWorld.cc
index db79db1..3420c85 100644
--- a/OdeWorld.cc
+++ b/OdeWorld.cc
@@ -498,7 +498,7 @@ void OdeWorld::Object::addForce(dReal fx, dReal fy, dReal fz)
         dBodyAddForce(m_body, fx, fy, fz);
 }
 
-void OdeWorld::Object::addRelForce(dReal fx, dReal fy, dReal fz)
+void OdeWorld::Object::addForceRel(dReal fx, dReal fy, dReal fz)
 {
     if (m_body != 0)
         dBodyAddRelForce(m_body, fx, fy, fz);
@@ -510,7 +510,7 @@ void OdeWorld::Object::addTorque(dReal fx, dReal fy, dReal fz)
         dBodyAddTorque(m_body, fx, fy, fz);
 }
 
-void OdeWorld::Object::addRelTorque(dReal fx, dReal fy, dReal fz)
+void OdeWorld::Object::addTorqueRel(dReal fx, dReal fy, dReal fz)
 {
     if (m_body != 0)
         dBodyAddRelTorque(m_body, fx, fy, fz);
diff --git a/OdeWorld.h b/OdeWorld.h
index 80a3ba4..d6b8fd9 100644
--- a/OdeWorld.h
+++ b/OdeWorld.h
@@ -36,9 +36,9 @@ class OdeWorld
                 bool addCapsule(refptr< std::vector<float> > args);
                 bool addPlane(refptr< std::vector<float> > args);
                 void addForce(dReal fx, dReal fy, dReal fz);
-                void addRelForce(dReal fx, dReal fy, dReal fz);
+                void addForceRel(dReal fx, dReal fy, dReal fz);
                 void addTorque(dReal fx, dReal fy, dReal fz);
-                void addRelTorque(dReal fx, dReal fy, dReal fz);
+                void addTorqueRel(dReal fx, dReal fy, dReal fz);
                 void finalize();
                 dReal getMass() { return m_mass.mass; }
                 void setMass(dReal newmass);