diff --git a/src/Web/Slack/Conversation.hs b/src/Web/Slack/Conversation.hs
index fd2a6c9..be36213 100644
--- a/src/Web/Slack/Conversation.hs
+++ b/src/Web/Slack/Conversation.hs
@@ -126,7 +126,7 @@ data ChannelConversation = ChannelConversation
   -- ^ Absent from @users.conversations@ response
   , channelTopic :: Topic
   , channelPurpose :: Purpose
-  , channelPreviousNames :: [Text]
+  , channelPreviousNames :: Maybe [Text]
   , channelNumMembers :: Maybe Integer
   -- ^ Absent from @conversations.join@ response
   }
diff --git a/tests/Web/Slack/ConversationSpec.hs b/tests/Web/Slack/ConversationSpec.hs
index 6cb4820..c9b91d8 100644
--- a/tests/Web/Slack/ConversationSpec.hs
+++ b/tests/Web/Slack/ConversationSpec.hs
@@ -114,6 +114,7 @@ spec = describe "ToJSON and FromJSON for Conversation" $ do
 
   describe "Golden tests" $ do
     mapM_ (oneGoldenTestDecode @Conversation) ["shared_channel"]
+    mapM_ (oneGoldenTestDecode @Conversation) ["no_previous_names"]
     mapM_ (oneGoldenTestDecode @InfoRsp) ["general"]
     mapM_ (oneGoldenTestDecode @JoinRsp) ["test"]
     mapM_ (oneGoldenTestDecode @MembersRsp) ["test"]
diff --git a/tests/golden/Conversation/no_previous_names.golden b/tests/golden/Conversation/no_previous_names.golden
new file mode 100644
index 0000000..8f522dc
--- /dev/null
+++ b/tests/golden/Conversation/no_previous_names.golden
@@ -0,0 +1,32 @@
+Channel
+    ( ChannelConversation
+        { channelId = ConversationId
+            { unConversationId = "C0000000000" }
+        , channelName = "shared-channel"
+        , channelCreated = 1667519517
+        , channelIsArchived = False
+        , channelIsGeneral = False
+        , channelUnlinked = 0
+        , channelNameNormalized = "shared-channel"
+        , channelIsShared = True
+        , channelCreator = UserId
+            { unUserId = "UAAAAAAAA" }
+        , channelIsExtShared = True
+        , channelIsOrgShared = False
+        , channelSharedTeamIds = Nothing
+        , channelIsPendingExtShared = False
+        , channelIsMember = Just False
+        , channelTopic = Topic
+            { topicValue = ""
+            , topicCreator = ""
+            , topicLastSet = 0
+            }
+        , channelPurpose = Purpose
+            { purposeValue = ""
+            , purposeCreator = ""
+            , purposeLastSet = 0
+            }
+        , channelPreviousNames = Nothing
+        , channelNumMembers = Just 12
+        }
+    )
diff --git a/tests/golden/Conversation/no_previous_names.json b/tests/golden/Conversation/no_previous_names.json
new file mode 100644
index 0000000..c1aa9fc
--- /dev/null
+++ b/tests/golden/Conversation/no_previous_names.json
@@ -0,0 +1,36 @@
+{
+  "id": "C0000000000",
+  "name": "shared-channel",
+  "is_channel": true,
+  "is_group": false,
+  "is_im": false,
+  "is_mpim": false,
+  "is_private": false,
+  "created": 1667519517,
+  "is_archived": false,
+  "is_general": false,
+  "unlinked": 0,
+  "name_normalized": "shared-channel",
+  "is_shared": true,
+  "is_org_shared": false,
+  "is_pending_ext_shared": false,
+  "pending_shared": [],
+  "context_team_id": "TAAAAAAAA",
+  "parent_conversation": null,
+  "creator": "UAAAAAAAA",
+  "is_ext_shared": true,
+  "pending_connected_team_ids": [],
+  "conversation_host_id": "TAAAAAAAA",
+  "is_member": false,
+  "topic": {
+    "value": "",
+    "creator": "",
+    "last_set": 0
+  },
+  "purpose": {
+    "value": "",
+    "creator": "",
+    "last_set": 0
+  },
+  "num_members": 12
+}
diff --git a/tests/golden/Conversation/shared_channel.golden b/tests/golden/Conversation/shared_channel.golden
index e1eab03..a7ef4aa 100644
--- a/tests/golden/Conversation/shared_channel.golden
+++ b/tests/golden/Conversation/shared_channel.golden
@@ -26,7 +26,7 @@ Channel
             , purposeCreator = ""
             , purposeLastSet = 0
             }
-        , channelPreviousNames = []
+        , channelPreviousNames = Just []
         , channelNumMembers = Just 12
         }
-    )
\ No newline at end of file
+    )
diff --git a/tests/golden/InfoRsp/general.golden b/tests/golden/InfoRsp/general.golden
index f96e44b..596241f 100644
--- a/tests/golden/InfoRsp/general.golden
+++ b/tests/golden/InfoRsp/general.golden
@@ -30,8 +30,8 @@ InfoRsp
                 , purposeCreator = "U043H11ES4V"
                 , purposeLastSet = 1663890553
                 }
-            , channelPreviousNames = []
+            , channelPreviousNames = Just []
             , channelNumMembers = Nothing
             }
         )
-    }
\ No newline at end of file
+    }
diff --git a/tests/golden/JoinRsp/test.golden b/tests/golden/JoinRsp/test.golden
index ef17046..912b752 100644
--- a/tests/golden/JoinRsp/test.golden
+++ b/tests/golden/JoinRsp/test.golden
@@ -30,8 +30,8 @@ JoinRsp
                 , purposeCreator = ""
                 , purposeLastSet = 0
                 }
-            , channelPreviousNames = []
+            , channelPreviousNames = Just []
             , channelNumMembers = Nothing
             }
         )
-    }
\ No newline at end of file
+    }
diff --git a/tests/golden/UsersConversationsResponse/im_and_channels.golden b/tests/golden/UsersConversationsResponse/im_and_channels.golden
index 8d52082..e43cc43 100644
--- a/tests/golden/UsersConversationsResponse/im_and_channels.golden
+++ b/tests/golden/UsersConversationsResponse/im_and_channels.golden
@@ -31,7 +31,7 @@ UsersConversationsResponse
                     , purposeCreator = "U043H11ES4V"
                     , purposeLastSet = 1663890553
                     }
-                , channelPreviousNames = []
+                , channelPreviousNames = Just []
                 , channelNumMembers = Nothing
                 }
             )
@@ -66,7 +66,7 @@ UsersConversationsResponse
                     , purposeCreator = ""
                     , purposeLastSet = 0
                     }
-                , channelPreviousNames = []
+                , channelPreviousNames = Just []
                 , channelNumMembers = Nothing
                 }
             )
@@ -105,4 +105,4 @@ UsersConversationsResponse
                 )
             }
         )
-    }
\ No newline at end of file
+    }