diff --git a/src/soc/intel/common/block/irq/irq.c b/src/soc/intel/common/block/irq/irq.c
index 00aff627a8..c913c5a4f1 100644
--- a/src/soc/intel/common/block/irq/irq.c
+++ b/src/soc/intel/common/block/irq/irq.c
@@ -183,7 +183,7 @@ static bool assign_fixed_pirqs(const struct slot_irq_constraints *constraints,
 		   fixed pin */
 		const enum pci_pin pin = fn_pin_map[i];
 		if (pin == PCI_INT_NONE) {
-			printk(BIOS_ERR, "ERROR: Slot %u, pirq %u, no pin for function %lu\n",
+			printk(BIOS_ERR, "ERROR: Slot %u, pirq %u, no pin for function %zu\n",
 			       constraints->slot, fixed_pirq, i);
 			return false;
 		}