diff --git a/lib/event_store/tasks/migrate.ex b/lib/event_store/tasks/migrate.ex
index 9cd12c5c..7dcd29fd 100644
--- a/lib/event_store/tasks/migrate.ex
+++ b/lib/event_store/tasks/migrate.ex
@@ -9,7 +9,8 @@ defmodule EventStore.Tasks.Migrate do
   @available_migrations [
     "0.13.0",
     "0.14.0",
-    "0.17.0"
+    "0.17.0",
+    "1.1.0"
   ]
 
   @dialyzer {:no_return, exec: 2, handle_response: 1}
diff --git a/priv/event_store/migrations/v1.1.0.sql b/priv/event_store/migrations/v1.1.0.sql
index 30574bd3..88779e31 100644
--- a/priv/event_store/migrations/v1.1.0.sql
+++ b/priv/event_store/migrations/v1.1.0.sql
@@ -2,7 +2,7 @@ DO $$
 BEGIN
 
   CREATE OR REPLACE FUNCTION notify_events()
-    RETURNS trigger AS $$
+    RETURNS trigger AS $func$
   DECLARE
     channel text;
     payload text;
@@ -22,7 +22,7 @@ BEGIN
 
       RETURN NULL;
   END;
-  $$ LANGUAGE plpgsql;
+  $func$ LANGUAGE plpgsql;
 
   -- Record schema migration
   INSERT INTO schema_migrations (major_version, minor_version, patch_version) VALUES (1, 1, 0);