diff --git a/doc/src/sgml/catalogs.sgml b/doc/src/sgml/catalogs.sgml
index 18ab3d434c..80c183b235 100644
--- a/doc/src/sgml/catalogs.sgml
+++ b/doc/src/sgml/catalogs.sgml
@@ -7529,7 +7529,8 @@ SCRAM-SHA-256$<replaceable>&lt;iteration count&gt;</replaceable>:<replaceable>&l
       </para>
       <para>
        Name of the replication slot in the upstream database (also used
-       for the local replication origin name)
+       for the local replication origin name);
+       null represents <literal>NONE</literal>
       </para></entry>
      </row>
 
diff --git a/src/include/catalog/catversion.h b/src/include/catalog/catversion.h
index ccb586ad00..dab7f4f471 100644
--- a/src/include/catalog/catversion.h
+++ b/src/include/catalog/catversion.h
@@ -53,6 +53,6 @@
  */
 
 /*							yyyymmddN */
-#define CATALOG_VERSION_NO	202007181
+#define CATALOG_VERSION_NO	202007192
 
 #endif
diff --git a/src/include/catalog/pg_subscription.h b/src/include/catalog/pg_subscription.h
index a041ce9740..9795c35000 100644
--- a/src/include/catalog/pg_subscription.h
+++ b/src/include/catalog/pg_subscription.h
@@ -56,7 +56,7 @@ CATALOG(pg_subscription,6100,SubscriptionRelationId) BKI_SHARED_RELATION BKI_ROW
 	text		subconninfo BKI_FORCE_NOT_NULL;
 
 	/* Slot name on publisher */
-	NameData	subslotname;
+	NameData	subslotname BKI_FORCE_NULL;
 
 	/* Synchronous commit setting for worker */
 	text		subsynccommit BKI_FORCE_NOT_NULL;