diff --git a/src/SearchServices/Parsers/AbstractSearchParser.php b/src/SearchServices/Parsers/AbstractSearchParser.php
index 6d2708e7..f7b30b3b 100644
--- a/src/SearchServices/Parsers/AbstractSearchParser.php
+++ b/src/SearchServices/Parsers/AbstractSearchParser.php
@@ -96,9 +96,22 @@ abstract class AbstractSearchParser
 		{
 			$token = preg_split('/,|\s+/', $token);
 			$orderToken = $token[0];
-			$orderDir = (count($token) === 2 and $token[1] === 'asc')
-				? \Szurubooru\SearchServices\Filters\IFilter::ORDER_ASC
-				: \Szurubooru\SearchServices\Filters\IFilter::ORDER_DESC;
+
+			if (count($token) === 1)
+			{
+				$orderDir = \Szurubooru\SearchServices\Filters\IFilter::ORDER_DESC;
+			}
+			elseif (count($token) === 2)
+			{
+				if ($token[1] === 'desc')
+					$orderDir = \Szurubooru\SearchServices\Filters\IFilter::ORDER_DESC;
+				elseif ($token[1] === 'asc')
+					$orderDir = \Szurubooru\SearchServices\Filters\IFilter::ORDER_ASC;
+				else
+					throw new \Exception('Wrong search order direction');
+			}
+			else
+				throw new \Exception('Wrong search order token');
 
 			$orderColumn = $this->getOrderColumn($orderToken);
 			if ($orderColumn === null)
diff --git a/tests/SearchServices/UserSearchParserTest.php b/tests/SearchServices/UserSearchParserTest.php
index 950117ee..fa5c744b 100644
--- a/tests/SearchServices/UserSearchParserTest.php
+++ b/tests/SearchServices/UserSearchParserTest.php
@@ -24,6 +24,20 @@ class UserSearchParserTest extends AbstractTestCase
 		$this->assertEquals([UserFilter::ORDER_NAME => UserFilter::ORDER_ASC], $filter->getOrder());
 	}
 
+	public function testInvalidOrder()
+	{
+		$this->inputReader->order = 'invalid,desc';
+		$this->setExpectedException(\Exception::class);
+		$filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
+	}
+
+	public function testInvalidOrderDirection()
+	{
+		$this->inputReader->order = 'name,invalid';
+		$this->setExpectedException(\Exception::class);
+		$filter = $this->userSearchParser->createFilterFromInputReader($this->inputReader);
+	}
+
 	public function testParamOrder()
 	{
 		$this->inputReader->order = 'name,desc';