diff --git a/index.js b/index.js
index ae91152..c281732 100644
--- a/index.js
+++ b/index.js
@@ -28,7 +28,7 @@ function transpileType(type) {
   }
 
   if (type.startsWith('LuaMultiReturn<[') && type.endsWith(']>')) {
-    return type.replace('LuaMultiReturn<[','').replace(']>','').split(',').map(t => transpileType(t.split(':')[1])).join(', ');
+    return type.replace('LuaMultiReturn<[','').replace(']>','').split(',').map(t => transpileType(t.split(':')[1] || t)).join(', ');
   }
 
   if (type.includes('|')) {