diff --git a/dav/friendica/database-init.inc.php b/dav/friendica/database-init.inc.php
index f91ddb25..e172b44d 100644
--- a/dav/friendica/database-init.inc.php
+++ b/dav/friendica/database-init.inc.php
@@ -242,10 +242,11 @@ function dav_create_tables()
 	$stms   = dav_get_create_statements();
 	$errors = array();
 
-	global $db;
 	foreach ($stms as $st) { // @TODO Friendica-dependent
-		$db->q($st);
-		if ($db->error) $errors[] = $db->error;
+		dba::e($st);
+		if (dba::errorMessage()) {
+			$errors[] = dba::errorMessage();
+		}
 	}
 
 	return $errors;
@@ -261,10 +262,12 @@ function dav_upgrade_tables()
 	$stms   = dav_get_update_statements($ver);
 
 	$errors = array();
-	global $db;
+
 	foreach ($stms as $st) { // @TODO Friendica-dependent
-		$db->q($st);
-		if ($db->error) $errors[] = $db->error;
+		dba::e($st);
+		if (dba::errorMessage()) {
+			$errors[] = dba::errorMessage();
+		}
 	}
 
 	return $errors;
diff --git a/pumpio/pumpio_sync.php b/pumpio/pumpio_sync.php
index a23eb4b0..834bc1e6 100644
--- a/pumpio/pumpio_sync.php
+++ b/pumpio/pumpio_sync.php
@@ -2,7 +2,7 @@
 use Friendica\Core\Config;
 
 function pumpio_sync_run(&$argv, &$argc) {
-	global $a, $db;
+	global $a;
 
 	require_once("addon/pumpio/pumpio.php");
 
diff --git a/twitter/twitter_sync.php b/twitter/twitter_sync.php
index ed9f3f85..5d6e8b2f 100644
--- a/twitter/twitter_sync.php
+++ b/twitter/twitter_sync.php
@@ -2,7 +2,7 @@
 use Friendica\Core\Config;
 
 function twitter_sync_run($argv, $argc) {
-	global $a, $db;
+	global $a;
 
 	require_once("addon/twitter/twitter.php");