diff --git a/df_datalink_sp/src/config/app_config.h b/df_datalink_sp/src/config/app_config.h
index 0773d2b..6a2f925 100644
--- a/df_datalink_sp/src/config/app_config.h
+++ b/df_datalink_sp/src/config/app_config.h
@@ -52,7 +52,7 @@
 #define SCUTIMER_INTR_ID XPAR_SCUTIMER_INTR
 
 // Physical Layer Configs
-#define PHY_DEVICE_ID 0X00
+#define PHY_DEVICE_ID 0
 #define PHY_BASEADDR XPAR_PHYC_BASEADDR
 #define PHY_BEAM_FORMING_ENABLE
 // -- Antenna Bram Configs