diff --git a/lib/shared/thread-utils.js b/lib/shared/thread-utils.js
--- a/lib/shared/thread-utils.js
+++ b/lib/shared/thread-utils.js
@@ -585,7 +585,7 @@
 
   const threadInfo = createPendingThread({
     viewerID: loggedInUserInfo.id,
-    threadType: threadTypes.GENESIS_PERSONAL,
+    threadType: threadTypes.PERSONAL,
     members: [loggedInUserInfo, pendingPersonalThreadUserInfo],
   });
 
@@ -1488,9 +1488,13 @@
     return threadInfo;
   }
   members.push(...mentionedNewMembers);
+  const threadType = threadTypeIsThick(parentThreadInfo.type)
+    ? threadTypes.THICK_SIDEBAR
+    : threadTypes.SIDEBAR;
+
   return createPendingThread({
     viewerID,
-    threadType: threadTypes.SIDEBAR,
+    threadType,
     members,
     parentThreadInfo,
     threadColor: threadInfo.color,
diff --git a/native/chat/chat-thread-list.react.js b/native/chat/chat-thread-list.react.js
--- a/native/chat/chat-thread-list.react.js
+++ b/native/chat/chat-thread-list.react.js
@@ -137,7 +137,7 @@
     }
     const threadInfo = createPendingThread({
       viewerID: loggedInUserInfo.id,
-      threadType: threadTypes.GENESIS_PRIVATE,
+      threadType: threadTypes.PRIVATE,
       members: [loggedInUserInfo],
     });
     navigateToThread({ threadInfo, searching: true });
diff --git a/native/chat/compose-thread-button.react.js b/native/chat/compose-thread-button.react.js
--- a/native/chat/compose-thread-button.react.js
+++ b/native/chat/compose-thread-button.react.js
@@ -28,7 +28,7 @@
       params: {
         threadInfo: createPendingThread({
           viewerID: loggedInUserInfo.id,
-          threadType: threadTypes.GENESIS_PRIVATE,
+          threadType: threadTypes.PRIVATE,
           members: [loggedInUserInfo],
         }),
         searching: true,
diff --git a/web/utils/thread-utils.js b/web/utils/thread-utils.js
--- a/web/utils/thread-utils.js
+++ b/web/utils/thread-utils.js
@@ -58,7 +58,7 @@
     () => ({
       ...createPendingThread({
         viewerID: loggedInUserInfo.id,
-        threadType: threadTypes.GENESIS_PRIVATE,
+        threadType: threadTypes.PRIVATE,
         members: [loggedInUserInfo],
         name: 'New thread',
       }),