diff --git a/install.php b/install.php
index 942f4ce..49786a8 100644
--- a/install.php
+++ b/install.php
@@ -28,6 +28,8 @@ function runSqlFile($pdo, $filePath) {
                     strpos($msg, 'Duplicate key name') !== false ||
                     strpos($msg, 'Duplicate entry') !== false ||
                     strpos($msg, "Can't DROP") !== false ||
+                    strpos($msg, "Cannot drop index") !== false ||
+                    strpos($msg, "needed in a foreign key constraint") !== false ||
                     strpos($msg, 'check that column/key exists') !== false ||
                     strpos($msg, 'Unknown table') !== false
                 ) {
@@ -111,7 +113,9 @@ function has_permission(\$action, \$page = null, \$user_id = null) {
             file_put_contents(__DIR__ . '/db/config.php', $configContent);
             
             // Run initial schema
-            $migrations = glob(__DIR__ . '/db/migrations/*.sql'); sort($migrations); foreach ($migrations as $migration) { runSqlFile($pdo, $migration); }
+            $pdo->exec("SET FOREIGN_KEY_CHECKS = 0;");
+            $migrations = glob(__DIR__ . "/db/migrations/*.sql"); sort($migrations); foreach ($migrations as $migration) { runSqlFile($pdo, $migration); }
+            $pdo->exec("SET FOREIGN_KEY_CHECKS = 1;");
             
             $_SESSION['db_configured'] = true;
             header("Location: install.php?step=3");