diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 3a8de5b..3f995dc 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -848,7 +848,7 @@
 	struct mpic *mpic = mpic_from_irq_data(d);
 	unsigned int src = virq_to_hw(d->irq) - mpic->timer_vecs[0];
 
-	DBG("%s: enable_tm: %d (tm %d)\n", mpic->name, irq, src);
+	DBG("%s: enable_tm: %d (tm %d)\n", mpic->name, d->irq, src);
 	mpic_tm_write(src, mpic_tm_read(src) & ~MPIC_VECPRI_MASK);
 	mpic_tm_read(src);
 }