diff --git a/app/provision/app_defaults.php b/app/provision/app_defaults.php
index fabef23150..c3a691a322 100644
--- a/app/provision/app_defaults.php
+++ b/app/provision/app_defaults.php
@@ -33,17 +33,19 @@
 	if ($prep_statement) {
 		$prep_statement->execute();
 		$result = $prep_statement->fetchAll(PDO::FETCH_NAMED);
-		foreach($result as $row) {
-			$device_uuid = $row["device_uuid"];
-			$device_mac_address = $row["device_mac_address"];
-			$device_mac_address = strtolower($device_mac_address);
-			$device_mac_address = preg_replace('#[^a-fA-F0-9./]#', '', $device_mac_address);
+		if (is_array($result)) { 
+			foreach($result as $row) {
+				$device_uuid = $row["device_uuid"];
+				$device_mac_address = $row["device_mac_address"];
+				$device_mac_address = strtolower($device_mac_address);
+				$device_mac_address = preg_replace('#[^a-fA-F0-9./]#', '', $device_mac_address);
 
-			$sql = "update v_devices set ";
-			$sql .= "device_mac_address = '".$device_mac_address."' ";
-			$sql .= "where device_uuid = '".$device_uuid."' ";
-			$db->exec(check_sql($sql));
-			unset($sql);
+				$sql = "update v_devices set ";
+				$sql .= "device_mac_address = '".$device_mac_address."' ";
+				$sql .= "where device_uuid = '".$device_uuid."' ";
+				$db->exec(check_sql($sql));
+				unset($sql);
+			}
 		}
 		unset($prep_statement, $result);
 	}