diff --git a/cores/rp2040/IPAddress.h b/cores/rp2040/IPAddress.h
index 210a91d42..7d94d46e7 100644
--- a/cores/rp2040/IPAddress.h
+++ b/cores/rp2040/IPAddress.h
@@ -1 +1,2 @@
 #include "api/IPAddress.h"
+using arduino::IPAddress;