diff --git a/src/display_buffer.hh b/src/display_buffer.hh
index 1ddb9f44..3d3da830 100644
--- a/src/display_buffer.hh
+++ b/src/display_buffer.hh
@@ -11,7 +11,7 @@ namespace Kakoune
 
 class Buffer;
 
-struct DisplayAtom
+struct DisplayAtom : public UseMemoryDomain<MemoryDomain::Display>
 {
 public:
     enum Type { BufferRange, ReplacedBufferRange, Text };
@@ -82,7 +82,7 @@ private:
 using BufferRange = std::pair<ByteCoord, ByteCoord>;
 using AtomList = Vector<DisplayAtom>;
 
-class DisplayLine
+class DisplayLine : public UseMemoryDomain<MemoryDomain::Display>
 {
 public:
     using iterator = AtomList::iterator;
@@ -123,7 +123,7 @@ private:
     AtomList  m_atoms;
 };
 
-class DisplayBuffer
+class DisplayBuffer : public UseMemoryDomain<MemoryDomain::Display>
 {
 public:
     using LineList = Vector<DisplayLine>;
diff --git a/src/memory.hh b/src/memory.hh
index 3c45f392..5fb52a17 100644
--- a/src/memory.hh
+++ b/src/memory.hh
@@ -19,6 +19,7 @@ enum class MemoryDomain
     BufferMeta,
     Options,
     Highlight,
+    Display,
     Mapping,
     Commands,
     Hooks,
@@ -44,6 +45,7 @@ inline const char* domain_name(MemoryDomain domain)
         case MemoryDomain::BufferMeta: return "BufferMeta";
         case MemoryDomain::Options: return "Options";
         case MemoryDomain::Highlight: return "Highlight";
+        case MemoryDomain::Display: return "Display";
         case MemoryDomain::Mapping: return "Mapping";
         case MemoryDomain::Commands: return "Commands";
         case MemoryDomain::Hooks: return "Hooks";