diff --git a/src/Database.php b/src/Database.php
index a3cc36a48..7e0cad7c1 100644
--- a/src/Database.php
+++ b/src/Database.php
@@ -15,6 +15,7 @@ public static function connect($driver, $location, $user, $pass)
 			self::$pdo = new PDO($dsn, $user, $pass);
 			self::$pdo->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
 			self::$pdo->setAttribute(PDO::ATTR_DEFAULT_FETCH_MODE, PDO::FETCH_ASSOC);
+			self::$pdo->setAttribute(PDO::ATTR_EMULATE_PREPARES, false);
 		}
 		catch (Exception $e)
 		{
@@ -53,7 +54,14 @@ public static function query(SqlQuery $sqlQuery)
 		if (!self::connected())
 			throw new Exception('Database is not connected');
 		$statement = self::makeStatement($sqlQuery);
-		$statement->execute();
+		try
+		{
+			$statement->execute();
+		}
+		catch (Exception $e)
+		{
+			throw new Exception('Problem with ' . $sqlQuery->getSql() . ' (' . $e->getMessage() . ')');
+		}
 		self::$queries []= $sqlQuery;
 		return $statement;
 	}
diff --git a/src/Models/Entities/PostEntity.php b/src/Models/Entities/PostEntity.php
index 4cf3a09cf..96f3be42d 100644
--- a/src/Models/Entities/PostEntity.php
+++ b/src/Models/Entities/PostEntity.php
@@ -70,9 +70,8 @@ public function getRelations()
 			->select('post.*')
 			->from('post')
 			->innerJoin('crossref')
-				->on()->open()->raw('post.id = crossref.post2_id')->and('crossref.post_id = :id')->close()
-				->or()->open()->raw('post.id = crossref.post_id')->and('crossref.post2_id = :id')->close()
-			->put(['id' => $this->id]);
+				->on()->open()->raw('post.id = crossref.post2_id')->and('crossref.post_id = ?')->close()->put($this->id)
+				->or()->open()->raw('post.id = crossref.post_id')->and('crossref.post2_id = ?')->close()->put($this->id);
 		$rows = Database::fetchAll($query);
 		$posts = PostModel::convertRows($rows);
 		$this->setCache('relations', $posts);
diff --git a/src/Models/UserModel.php b/src/Models/UserModel.php
index a34ba1056..c7b6ced77 100644
--- a/src/Models/UserModel.php
+++ b/src/Models/UserModel.php
@@ -104,9 +104,8 @@ public static function findByNameOrEmail($key, $throw = true)
 		$query = new SqlQuery();
 		$query->select('*')
 			->from('user')
-			->where('LOWER(name) = LOWER(:user)')
-			->or('LOWER(email_confirmed) = LOWER(:user)')
-			->put(['user' => trim($key)]);
+			->where('LOWER(name) = LOWER(?)')->put(trim($key))
+			->or('LOWER(email_confirmed) = LOWER(?)')->put(trim($key));
 
 		$row = Database::fetchOne($query);
 		if ($row)