diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 7b897b7b0ae..90ebceb899a 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -479,7 +479,7 @@ acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
 
 	if (srat_num_cpus >= ARRAY_SIZE(node_cpuid)) {
 		printk_once(KERN_WARNING
-			    "node_cpuid[%d] is too small, may not be able to use all cpus\n",
+			    "node_cpuid[%ld] is too small, may not be able to use all cpus\n",
 			    ARRAY_SIZE(node_cpuid));
 		return;
 	}