diff --git a/fs/fs.c b/fs/fs.c
index 9944f9a1..eb1fd4de 100644
--- a/fs/fs.c
+++ b/fs/fs.c
@@ -97,9 +97,9 @@ int open_fs(fildes_t* file, const char* name)
 		spinlock_lock(&dir_node->lock);
 		file->node = dir_node;
 		// Has the dir_node got an open callback?
-		if (file_node->open != 0)
+		if (dir_node->open != 0)
 			ret = file->node->open(file, fname);
-		spinlock_unlock(&file_node->lock);
+		spinlock_unlock(&dir_node->lock);
 	}
 
 	return ret;