diff --git a/src/Parser/File.php b/src/Parser/File.php
index 020bfb5..dd12d94 100644
--- a/src/Parser/File.php
+++ b/src/Parser/File.php
@@ -64,7 +64,7 @@ public function parse(string $schema, ?ContextInterface $context = null): Specif
 
         if (isset($data->paths)) {
             $parser = new OpenAPI($this->schemaManager);
-        } elseif (isset($data->operations)) {
+        } elseif (isset($data->operations) || isset($data->definitions)) {
             $parser = new TypeAPI($this->schemaManager);
         } else {
             throw new ParserException('Could not detect schema format of the provided source ' . $schema);