diff --git a/MVMCoreUI/OtherHandlers/CoreUIModelMapping.swift b/MVMCoreUI/OtherHandlers/CoreUIModelMapping.swift
index b339cf94..8b3d5529 100644
--- a/MVMCoreUI/OtherHandlers/CoreUIModelMapping.swift
+++ b/MVMCoreUI/OtherHandlers/CoreUIModelMapping.swift
@@ -36,7 +36,8 @@ open class CoreUIModelMapping: ModelMapping {
         ModelRegistry.register(handler: ExternalLink.self, for: ExternalLinkModel.self)
         ModelRegistry.register(handler: Link.self, for: LinkModel.self)
         ModelRegistry.register(handler: CaretLink.self, for: CaretLinkModel.self)
-        
+        ModelRegistry.register(handler: ButtonGroup.self, for: ButtonGroupModel.self)
+
         // MARK:- Entry Field
         ModelRegistry.register(handler: TextEntryField.self, for: TextEntryFieldModel.self)
         ModelRegistry.register(handler: MdnEntryField.self, for: MdnEntryFieldModel.self)