diff --git a/src/OpenFOAM/containers/Lists/CompactListList/CompactListList.C b/src/OpenFOAM/containers/Lists/CompactListList/CompactListList.C
index f2fbd29724d82361795fe2811d71f41f739109ba..2ecdb5c1f050cded907258647b2f83a78401539b 100644
--- a/src/OpenFOAM/containers/Lists/CompactListList/CompactListList.C
+++ b/src/OpenFOAM/containers/Lists/CompactListList/CompactListList.C
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -218,17 +218,16 @@ void Foam::CompactListList<T, Container>::swap
 template<class T, class Container>
 void Foam::CompactListList<T, Container>::transfer
 (
-    CompactListList<T, Container>& lst
+    CompactListList<T, Container>& list
 )
 {
-    if (this == &lst)
+    if (this == &list)
     {
         return;  // Self-assignment is a no-op
     }
 
-    size_ = lst.size_;
-    offsets_.transfer(lst.offsets_);
-    m_.transfer(lst.m_);
+    this->clear();
+    this->swap(list);
 }
 
 
diff --git a/src/OpenFOAM/containers/Lists/CompactListList/CompactListList.H b/src/OpenFOAM/containers/Lists/CompactListList/CompactListList.H
index 419f3e7606a5bbf8ed7f778220a31796eaee0d7b..11a07126181a87b6041c80df76e8ff26ce574546 100644
--- a/src/OpenFOAM/containers/Lists/CompactListList/CompactListList.H
+++ b/src/OpenFOAM/containers/Lists/CompactListList/CompactListList.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -59,7 +59,7 @@ SourceFiles
 namespace Foam
 {
 
-// Forward declaration of friend functions and operators
+// Forward Declarations
 
 template<class T, class Container> class CompactListList;
 
@@ -82,7 +82,7 @@ template<class T, class Container> Ostream& operator<<
 template<class T, class Container = List<T>>
 class CompactListList
 {
-    // Private data
+    // Private Data
 
         label size_;
 
@@ -100,6 +100,7 @@ public:
         //- Return a null CompactListList
         inline static const CompactListList<T, Container>& null();
 
+
     // Constructors
 
         //- Null constructor.
@@ -129,7 +130,7 @@ public:
         inline CompactListList(CompactListList<T, Container>&& lst);
 
         //- Construct as copy or re-use as specified.
-        inline CompactListList(CompactListList<T, Container>& lst, bool reuse);
+        inline CompactListList(CompactListList<T, Container>& list, bool reuse);
 
         //- Construct from Istream.
         CompactListList(Istream&);
@@ -198,9 +199,8 @@ public:
             //- Swap contents
             void swap(CompactListList<T, Container>& lst);
 
-            //- Transfer the contents of the argument CompactListList
-            //  into this CompactListList and annul the argument list.
-            void transfer(CompactListList<T, Container>& lst);
+            //- Transfer contents into this and annul the argument
+            void transfer(CompactListList<T, Container>& list);
 
 
         // Other
@@ -215,7 +215,7 @@ public:
             inline label whichColumn(const label row, const label index) const;
 
 
-    // Member operators
+    // Member Operators
 
         //- Return subscript-checked row as UList.
         inline UList<T> operator[](const label i);
@@ -242,7 +242,7 @@ public:
         inline void operator=(CompactListList<T, Container>&& lst);
 
 
-    // Istream operator
+    // IO Operators
 
         //- Read CompactListList from Istream, discarding contents
         //  of existing CompactListList.
diff --git a/src/OpenFOAM/containers/Lists/CompactListList/CompactListListI.H b/src/OpenFOAM/containers/Lists/CompactListList/CompactListListI.H
index 1a3c2613abc52765f4e6d54364335b824971164a..a25686235f763f8de0a47a3060f295fee90b516b 100644
--- a/src/OpenFOAM/containers/Lists/CompactListList/CompactListListI.H
+++ b/src/OpenFOAM/containers/Lists/CompactListList/CompactListListI.H
@@ -6,7 +6,7 @@
      \\/     M anipulation  |
 -------------------------------------------------------------------------------
     Copyright (C) 2011-2016 OpenFOAM Foundation
-    Copyright (C) 2019 OpenCFD Ltd.
+    Copyright (C) 2019-2020 OpenCFD Ltd.
 -------------------------------------------------------------------------------
 License
     This file is part of OpenFOAM.
@@ -90,14 +90,19 @@ inline Foam::CompactListList<T, Container>::CompactListList
 template<class T, class Container>
 inline Foam::CompactListList<T, Container>::CompactListList
 (
-    CompactListList<T, Container>& lst,
+    CompactListList<T, Container>& list,
     bool reuse
 )
 :
-    size_(lst.size()),
-    offsets_(lst.offsets_, reuse),
-    m_(lst.m_, reuse)
-{}
+    size_(list.size()),
+    offsets_(list.offsets_, reuse),
+    m_(list.m_, reuse)
+{
+    if (reuse)
+    {
+        list.size_ = 0;
+    }
+}
 
 
 template<class T, class Container>