diff --git a/src/QueryInterceptor.php b/src/QueryInterceptor.php
index 52944b0..8911e4a 100644
--- a/src/QueryInterceptor.php
+++ b/src/QueryInterceptor.php
@@ -46,7 +46,8 @@ public function invoke(MethodInvocation $invocation)
     }
 
     /**
-     * @param array<string, mixed> $param
+     * @param MethodInvocation<object> $invocation
+     * @param array<string, mixed>     $param
      *
      * @return mixed
      */
@@ -56,13 +57,17 @@ private function getQueryResult(MethodInvocation $invocation, QueryInterface $qu
         $result = $query($param);
         $object = $invocation->getThis();
         if ($object instanceof ResourceObject) {
+            /** @var array<array-key, mixed>|object|scalar|null $result */
             return $this->returnRo($object, $invocation, $result);
         }
 
         return $result;
     }
 
-    /** @param mixed $result */
+    /**
+     * @param MethodInvocation<object> $invocation
+     * @param mixed                    $result
+     */
     private function returnRo(ResourceObject $ro, MethodInvocation $invocation, $result): ResourceObject
     {
         if (! $result) {
diff --git a/src/SqlQueryRowList.php b/src/SqlQueryRowList.php
index fa62e10..fa4015f 100644
--- a/src/SqlQueryRowList.php
+++ b/src/SqlQueryRowList.php
@@ -12,12 +12,16 @@
 use function array_pop;
 use function count;
 use function explode;
+use function preg_replace;
 use function strpos;
 use function strtolower;
 use function trim;
 
 class SqlQueryRowList implements RowListInterface
 {
+    public const QUERY_CLEANUP_REGEX = '/\/\*.*?\*\/|--.*$/m';
+    public const TRIM_CHARACTERS_REGEX = "\\ \t\n\r\0\x0B";
+
     /** @var ExtendedPdoInterface */
     private $pdo;
 
@@ -37,7 +41,7 @@ public function __invoke(array ...$queries): iterable
             $this->sql .= ';';
         }
 
-        $sqls = explode(';', trim($this->sql, "\\ \t\n\r\0\x0B"));
+        $sqls = explode(';', trim($this->sql, self::TRIM_CHARACTERS_REGEX));
         array_pop($sqls);
         $numQueris = count($queries);
         if (count($sqls) !== $numQueris) {
@@ -52,7 +56,10 @@ public function __invoke(array ...$queries): iterable
         }
 
         $lastQuery = $result
-            ? strtolower(trim((string) $result->queryString, "\\ \t\n\r\0\x0B")) : '';
+            ? strtolower(trim(
+                (string) preg_replace(self::QUERY_CLEANUP_REGEX, '', (string) $result->queryString),
+                self::TRIM_CHARACTERS_REGEX,
+            )) : '';
         if ($result instanceof PDOStatement && strpos($lastQuery, 'select') === 0) {
             return (array) $result->fetchAll(PDO::FETCH_ASSOC);
         }
diff --git a/tests/Fake/sql/todo_item_by_id_with_comment.sql b/tests/Fake/sql/todo_item_by_id_with_comment.sql
new file mode 100644
index 0000000..d13cf2d
--- /dev/null
+++ b/tests/Fake/sql/todo_item_by_id_with_comment.sql
@@ -0,0 +1,7 @@
+/* todo_item_by_id_with_comment.sql */
+SELECT
+    *
+FROM
+    todo /* table */
+WHERE
+    id = :id  /* conditions */
diff --git a/tests/Fake/sql/todo_item_by_id_with_line_comment.sql b/tests/Fake/sql/todo_item_by_id_with_line_comment.sql
new file mode 100644
index 0000000..355dc27
--- /dev/null
+++ b/tests/Fake/sql/todo_item_by_id_with_line_comment.sql
@@ -0,0 +1,2 @@
+-- todo_item_by_id_with_line_comment.sql
+SELECT * FROM todo WHERE id = :id -- comment
diff --git a/tests/Fake/sql/todo_item_by_id_with_multiple_comment.sql b/tests/Fake/sql/todo_item_by_id_with_multiple_comment.sql
new file mode 100644
index 0000000..eb9f05f
--- /dev/null
+++ b/tests/Fake/sql/todo_item_by_id_with_multiple_comment.sql
@@ -0,0 +1 @@
+/* todo_item_by_id_with_multiple_comment.sql */ SELECT * FROM todo WHERE id = :id  -- conditions
diff --git a/tests/SqlQueryTest.php b/tests/SqlQueryTest.php
index 1f41012..8ad5dc8 100644
--- a/tests/SqlQueryTest.php
+++ b/tests/SqlQueryTest.php
@@ -32,13 +32,7 @@ protected function setUp(): void
     public function testInvoke(): void
     {
         $sql = (string) file_get_contents(__DIR__ . '/Fake/sql/todo_item_by_id.sql');
-        $query = new SqlQueryRowList($this->pdo, $sql);
-        $row = ((array) $query(['id' => 1]))[0];
-        assert(is_array($row));
-        assert(isset($row['title']));
-        assert(isset($row['id']));
-        $this->assertSame('run', $row['title']);
-        $this->assertSame('1', $row['id']);
+        $this->testSql($sql);
     }
 
     public function testNotFound(): void
@@ -66,4 +60,35 @@ public function testMultipleQuery(): void
         $this->assertSame('test', $row['title']);
         $this->assertSame('2', $row['id']);
     }
+
+    public function testWithComment(): void
+    {
+        $sql = (string) file_get_contents(__DIR__ . '/Fake/sql/todo_item_by_id_with_comment.sql');
+        $this->testSql($sql);
+    }
+
+    public function testWithLineComment(): void
+    {
+        $sql = (string) file_get_contents(__DIR__ . '/Fake/sql/todo_item_by_id_with_line_comment.sql');
+        $this->testSql($sql);
+    }
+
+    public function testWithMultipleComment(): void
+    {
+        $sql = (string) file_get_contents(__DIR__ . '/Fake/sql/todo_item_by_id_with_multiple_comment.sql');
+        $this->testSql($sql);
+    }
+
+    private function testSql(string $sql): void
+    {
+        $query = new SqlQueryRowList($this->pdo, $sql);
+        $result = (array) $query(['id' => 1]);
+        $this->assertNotEmpty($result);
+        $row = $result[0];
+        $this->assertIsArray($row);
+        $this->assertArrayHasKey('title', $row);
+        $this->assertArrayHasKey('id', $row);
+        $this->assertSame('run', $row['title']);
+        $this->assertSame('1', $row['id']);
+    }
 }