diff --git a/script/sql/create/22.report.sql b/script/sql/create/22.report.sql
index 8f8273d..3065f75 100644
--- a/script/sql/create/22.report.sql
+++ b/script/sql/create/22.report.sql
@@ -2,7 +2,7 @@
 
 create table report
 (
-  key   text not null
+  key   text primary key
 , value text not null
 );