diff --git a/src/rigidBodyMeshMotion/rigidBodyMeshMotion/rigidBodyMeshMotion.C b/src/rigidBodyMeshMotion/rigidBodyMeshMotion/rigidBodyMeshMotion.C
index 3a3bb60..6b0bc9d 100644
--- a/src/rigidBodyMeshMotion/rigidBodyMeshMotion/rigidBodyMeshMotion.C
+++ b/src/rigidBodyMeshMotion/rigidBodyMeshMotion/rigidBodyMeshMotion.C
@@ -245,10 +245,10 @@ void Foam::rigidBodyMeshMotion::solve()
 
     const scalar ramp = ramp_->value(t.value());
 
-    if (t.foundObject<uniformDimensionedVectorField>("g"))
+    if (mesh().foundObject<uniformDimensionedVectorField>("g"))
     {
         g() =
-            ramp*t.lookupObject<uniformDimensionedVectorField>("g").value();
+            ramp*mesh().lookupObject<uniformDimensionedVectorField>("g").value();
     }
 
     if (test_)