diff --git a/XBOXOLD.cpp b/XBOXOLD.cpp
index a454d22a..87e7c644 100644
--- a/XBOXOLD.cpp
+++ b/XBOXOLD.cpp
@@ -118,7 +118,7 @@ uint8_t XBOXOLD::Init(uint8_t parent, uint8_t port, bool lowspeed) {
         VID = udd->idVendor;
         PID = udd->idProduct;
 
-        if((VID != XBOX_VID && VID != MADCATZ_VID && VID != JOYTECH_VID) || (PID != XBOX_OLD_PID1 && PID != XBOX_OLD_PID2 && PID != XBOX_OLD_PID3 && PID != XBOX_OLD_PID4)) // Check if VID and PID match
+        if(!VIDPIDOK(VID, PID)) // Check if VID and PID match
                 goto FailUnknownDevice;
 
         // Allocate new address according to device class