diff --git a/crates/collab/migrations/20240226164505_unique_channel_names.sql b/crates/collab/migrations/20240226164505_unique_channel_names.sql
index 9e6a0d876180bf61d565e49b96d0fd05c7ce51f7..c9d9f0a1cbf55249ee1fc80c5338bdc45381b46f 100644
--- a/crates/collab/migrations/20240226164505_unique_channel_names.sql
+++ b/crates/collab/migrations/20240226164505_unique_channel_names.sql
@@ -1,3 +1,3 @@
 -- Add migration script here
 
-CREATE UNIQUE INDEX uix_channels_parent_path_name ON channels(parent_path, name) WHERE (parent_path IS NOT NULL);
+CREATE UNIQUE INDEX uix_channels_parent_path_name ON channels(parent_path, name) WHERE (parent_path IS NOT NULL AND parent_path != '');