diff --git a/Packages/InstanceFeatures/Sources/InstanceFeatures/InstanceFeatures.swift b/Packages/InstanceFeatures/Sources/InstanceFeatures/InstanceFeatures.swift
index b0ece9e5..68080c6e 100644
--- a/Packages/InstanceFeatures/Sources/InstanceFeatures/InstanceFeatures.swift
+++ b/Packages/InstanceFeatures/Sources/InstanceFeatures/InstanceFeatures.swift
@@ -72,7 +72,7 @@ public class InstanceFeatures: ObservableObject {
     
     public var probablySupportsMarkdown: Bool {
         switch instanceType {
-        case .pleroma(_), .mastodon(.glitch, _), .mastodon(.hometown(_), _):
+        case .pleroma(_), .mastodon(.glitch, _), .mastodon(.hometown(_), _), .calckey(_):
             return true
         default:
             return false