diff --git a/src/lib/srdb1/schema/pr_active_watchers.xml b/src/lib/srdb1/schema/pr_active_watchers.xml
index 7f064b9c70b..8e4fd0604d8 100644
--- a/src/lib/srdb1/schema/pr_active_watchers.xml
+++ b/src/lib/srdb1/schema/pr_active_watchers.xml
@@ -153,6 +153,7 @@
         <name>reason</name>
         <type>string</type>
         <size>&user_len;</size>
+        <null/>
         <description>Reason</description>
     </column>