diff --git a/db/migrate/20210110015410_add_reverse_regex_operator.rb b/db/migrate/20210110015410_add_reverse_regex_operator.rb
index ad2ecd5c9..ab1b48833 100644
--- a/db/migrate/20210110015410_add_reverse_regex_operator.rb
+++ b/db/migrate/20210110015410_add_reverse_regex_operator.rb
@@ -1,7 +1,7 @@
 class AddReverseRegexOperator < ActiveRecord::Migration[6.1]
   def up
     execute "CREATE FUNCTION reverse_textregexeq (text, text) RETURNS boolean LANGUAGE sql IMMUTABLE PARALLEL SAFE AS $$ SELECT textregexeq($2, $1); $$"
-    execute "CREATE OPERATOR ~<< (FUNCTION = reverse_textregexeq, leftarg = text, rightarg = text)"
+    execute "CREATE OPERATOR ~<< (PROCEDURE = reverse_textregexeq, leftarg = text, rightarg = text)"
   end
 
   def down