diff --git a/database.sql b/database.sql
index 40abb7f056..e363dd57dd 100644
--- a/database.sql
+++ b/database.sql
@@ -1416,6 +1416,7 @@ CREATE TABLE IF NOT EXISTS `post-user` (
 	 INDEX `author-id_uid` (`author-id`,`uid`),
 	 INDEX `author-id_received` (`author-id`,`received`),
 	 INDEX `parent-uri-id_uid` (`parent-uri-id`,`uid`),
+	 INDEX `uid_wall_received` (`uid`,`wall`,`received`),
 	 INDEX `uid_contactid` (`uid`,`contact-id`),
 	 INDEX `uid_unseen_contactid` (`uid`,`unseen`,`contact-id`),
 	 INDEX `uid_unseen` (`uid`,`unseen`),
diff --git a/doc/database/db_post-user.md b/doc/database/db_post-user.md
index 5fbc3e985a..ce213941da 100644
--- a/doc/database/db_post-user.md
+++ b/doc/database/db_post-user.md
@@ -60,6 +60,7 @@ Indexes
 | author-id_uid        | author-id, uid          |
 | author-id_received   | author-id, received     |
 | parent-uri-id_uid    | parent-uri-id, uid      |
+| uid_wall_received    | uid, wall, received     |
 | uid_contactid        | uid, contact-id         |
 | uid_unseen_contactid | uid, unseen, contact-id |
 | uid_unseen           | uid, unseen             |
diff --git a/src/Content/Pager.php b/src/Content/Pager.php
index 98b885d425..f776249b1b 100644
--- a/src/Content/Pager.php
+++ b/src/Content/Pager.php
@@ -58,7 +58,7 @@ class Pager
 
 		$this->setQueryString($queryString);
 		$this->setItemsPerPage($itemsPerPage);
-		$this->setPage(($_GET['page'] ?? 0) ?: 1);
+		$this->setPage((int)($_GET['page'] ?? 0) ?: 1);
 	}
 
 	/**
diff --git a/src/Module/Update/Profile.php b/src/Module/Update/Profile.php
index b97b9f89e5..50d0eddd14 100644
--- a/src/Module/Update/Profile.php
+++ b/src/Module/Update/Profile.php
@@ -40,7 +40,7 @@ class Profile extends BaseModule
 		$a = DI::app();
 
 		// Ensure we've got a profile owner if updating.
-		$a->setProfileOwner($_GET['p'] ?? 0);
+		$a->setProfileOwner((int)($_GET['p'] ?? 0));
 
 		if (DI::config()->get('system', 'block_public') && !local_user() && !Session::getRemoteContactID($a->getProfileOwner())) {
 			throw new ForbiddenException();
diff --git a/static/dbstructure.config.php b/static/dbstructure.config.php
index 81f03fbf31..aedb444667 100644
--- a/static/dbstructure.config.php
+++ b/static/dbstructure.config.php
@@ -1443,6 +1443,7 @@ return [
 			"author-id_uid" => ["author-id", "uid"],
 			"author-id_received" => ["author-id", "received"],
 			"parent-uri-id_uid" => ["parent-uri-id", "uid"],
+			"uid_wall_received" => ["uid", "wall", "received"],
 			"uid_contactid" => ["uid", "contact-id"],
 			"uid_unseen_contactid" => ["uid", "unseen", "contact-id"],
 			"uid_unseen" => ["uid", "unseen"],