diff --git a/src/sixDoFRigidBodyMotion/sixDoFRigidBodyMotion/sixDoFRigidBodyMotionIO.C b/src/sixDoFRigidBodyMotion/sixDoFRigidBodyMotion/sixDoFRigidBodyMotionIO.C
index 4da01ef285f9e4e85093383896c0c75966f3fd5f..b7266df9341aebbb9dfd94fdab4827f78ac8c37a 100644
--- a/src/sixDoFRigidBodyMotion/sixDoFRigidBodyMotion/sixDoFRigidBodyMotionIO.C
+++ b/src/sixDoFRigidBodyMotion/sixDoFRigidBodyMotion/sixDoFRigidBodyMotionIO.C
@@ -52,7 +52,7 @@ void Foam::sixDoFRigidBodyMotion::write(Ostream& os) const
 
     os.writeKeyword("centreOfMass")
         << initialCentreOfMass_ << token::END_STATEMENT << nl;
-    os.writeKeyword("orientation")
+    os.writeKeyword("initialOrientation")
         << initialQ_ << token::END_STATEMENT << nl;
     os.writeKeyword("mass")
         << mass_ << token::END_STATEMENT << nl;