diff --git a/src/lagrangian/intermediate/submodels/Kinematic/PatchInteractionModel/PatchInteractionModel/PatchInteractionModel.C b/src/lagrangian/intermediate/submodels/Kinematic/PatchInteractionModel/PatchInteractionModel/PatchInteractionModel.C
index ff6d20dccb..fd04066e1f 100644
--- a/src/lagrangian/intermediate/submodels/Kinematic/PatchInteractionModel/PatchInteractionModel/PatchInteractionModel.C
+++ b/src/lagrangian/intermediate/submodels/Kinematic/PatchInteractionModel/PatchInteractionModel/PatchInteractionModel.C
@@ -124,8 +124,7 @@ Foam::PatchInteractionModel<CloudType>::PatchInteractionModel
 )
 :
     SubModelBase<CloudType>(owner, dict, type),
-//    UName_(this->coeffDict().lookupOrDefault<word>("UName", "U"))
-    UName_(this->coeffDict().lookup("UName"))
+    UName_(this->coeffDict().lookupOrDefault("UName", word("U")))
 {}