diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 96460ca2b9067c2a184215fb18b98b52b38f8dc2..398e2fd1cd2519ef2d6a2186308cd992073b0ec5 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -925,7 +925,7 @@ iosapic_register_platform_intr (u32 int_type, unsigned int gsi,
 	      case ACPI_INTERRUPT_CPEI:
 		irq = vector = IA64_CPE_VECTOR;
 		BUG_ON(bind_irq_vector(irq, vector, CPU_MASK_ALL));
-		delivery = IOSAPIC_LOWEST_PRIORITY;
+		delivery = IOSAPIC_FIXED;
 		mask = 1;
 		break;
 	      default: