diff --git a/drivers/parisc/iosapic.c b/drivers/parisc/iosapic.c
index 1cdfdea..501aaf1 100644
--- a/drivers/parisc/iosapic.c
+++ b/drivers/parisc/iosapic.c
@@ -708,11 +708,14 @@
 	struct vector_info *vi = iosapic_get_vector(irq);
 	u32 d0, d1, dummy_d0;
 	unsigned long flags;
+	int dest_cpu;
 
-	if (cpu_check_affinity(irq, dest))
+	dest_cpu = cpu_check_affinity(irq, dest);
+	if (dest_cpu < 0)
 		return;
 
-	vi->txn_addr = txn_affinity_addr(irq, cpumask_first(dest));
+	irq_desc[irq].affinity = cpumask_of_cpu(dest_cpu);
+	vi->txn_addr = txn_affinity_addr(irq, dest_cpu);
 
 	spin_lock_irqsave(&iosapic_lock, flags);
 	/* d1 contains the destination CPU, so only want to set that