diff --git a/src/main/java/me/mrnavastar/r/R.java b/src/main/java/me/mrnavastar/r/R.java
index b68314f..08ecac1 100644
--- a/src/main/java/me/mrnavastar/r/R.java
+++ b/src/main/java/me/mrnavastar/r/R.java
@@ -118,6 +118,6 @@ public Class<?>[] generics() {
                 }
             }).toArray(Class[]::new);
         }
-        return null;
+        return new Class[]{};
     }
 }
\ No newline at end of file