diff --git a/df_datalink_ge/src/main.c b/df_datalink_ge/src/main.c
index 1314333..a2faff6 100644
--- a/df_datalink_ge/src/main.c
+++ b/df_datalink_ge/src/main.c
@@ -192,7 +192,7 @@ int32_t SetupInterruptSystem(struct irq_ctrl_desc *descPtr)
 		return Status;
 	}
 	// Connect the interrupt service routine isr1 to the interrupt controller
-	Status = irq_register_callback(descPtr, PHY_INTR_ID, &periodicpull_callback_desc);
+	Status = irq_register_callback(descPtr, PERIODIC_5MS_INTR_ID, &periodicpull_callback_desc);
 	if (Status != SUCCESS)
 	{
 		DBG_ERROR("PHY_INTR register callback FAILED, ErrorCode: %ld.\n", Status);
diff --git a/df_datalink_sp/src/main.c b/df_datalink_sp/src/main.c
index 2f7c88a..1e9daad 100644
--- a/df_datalink_sp/src/main.c
+++ b/df_datalink_sp/src/main.c
@@ -193,7 +193,7 @@ int32_t SetupInterruptSystem(struct irq_ctrl_desc *descPtr)
 		return Status;
 	}
 	// Connect the interrupt service routine isr1 to the interrupt controller
-	Status = irq_register_callback(descPtr, PHY_INTR_ID, &periodicpull_callback_desc);
+	Status = irq_register_callback(descPtr, PERIODIC_5MS_INTR_ID, &periodicpull_callback_desc);
 	if (Status != SUCCESS)
 	{
 		DBG_ERROR("PHY_INTR register callback FAILED, ErrorCode: %ld.\n", Status);