diff --git a/arch/arm/kernel/irq.c b/arch/arm/kernel/irq.c
index 7141cee1fab7..363db186cb93 100644
--- a/arch/arm/kernel/irq.c
+++ b/arch/arm/kernel/irq.c
@@ -101,7 +101,7 @@ int show_interrupts(struct seq_file *p, void *v)
 /* Handle bad interrupts */
 static struct irq_desc bad_irq_desc = {
 	.handle_irq = handle_bad_irq,
-	.lock = SPIN_LOCK_UNLOCKED
+	.lock = __SPIN_LOCK_UNLOCKED(bad_irq_desc.lock),
 };
 
 /*