diff --git a/mod/quiz/db/postgres7.sql b/mod/quiz/db/postgres7.sql
index d9d48ec9eba..f8b1e7c0e1f 100644
--- a/mod/quiz/db/postgres7.sql
+++ b/mod/quiz/db/postgres7.sql
@@ -418,7 +418,7 @@ CREATE TABLE prefix_quiz_rqp_types (
   flags integer NOT NULL default '0'
 );
 
-CREATE UNIQUE INDEX prefix_quiz_rqp_type_name_uk ON prefix_quiz_rqp_type (name);
+CREATE UNIQUE INDEX prefix_quiz_rqp_type_name_uk ON prefix_quiz_rqp_types (name);
 
 
 # --------------------------------------------------------