diff --git a/src/postProcessing/functionObjects/forces/pointPatchFields/derived/sixDoFRigidBodyDisplacement/sixDoFRigidBodyDisplacementPointPatchVectorField.C b/src/postProcessing/functionObjects/forces/pointPatchFields/derived/sixDoFRigidBodyDisplacement/sixDoFRigidBodyDisplacementPointPatchVectorField.C
index fb15396f0f40b2031f4ab1d30beba7909a7b0226..59ff974315322ef3ac6bcad5e39631ee047aa9e0 100644
--- a/src/postProcessing/functionObjects/forces/pointPatchFields/derived/sixDoFRigidBodyDisplacement/sixDoFRigidBodyDisplacementPointPatchVectorField.C
+++ b/src/postProcessing/functionObjects/forces/pointPatchFields/derived/sixDoFRigidBodyDisplacement/sixDoFRigidBodyDisplacementPointPatchVectorField.C
@@ -211,6 +211,7 @@ void sixDoFRigidBodyDisplacementPointPatchVectorField::updateCoeffs()
 
     dictionary forcesDict;
 
+    forcesDict.add("type", forces::typeName);
     forcesDict.add("patches", wordList(1, ptPatch.name()));
     forcesDict.add("rhoInf", rhoInf_);
     forcesDict.add("rhoName", rhoName_);