diff --git a/arch/arm/src/samv7/sam_twihs.c b/arch/arm/src/samv7/sam_twihs.c
index 76e9a90c45d..2dc62fca0b0 100644
--- a/arch/arm/src/samv7/sam_twihs.c
+++ b/arch/arm/src/samv7/sam_twihs.c
@@ -656,7 +656,7 @@ static int twi_interrupt(int irq, FAR void *context, FAR void *arg)
     {
       /* Wake up the thread with an Arbitration Lost error indication */
 
-      i2cerr("ERROR: TWIHS%d Arbitration Lost\n");
+      i2cerr("ERROR: TWIHS%d Arbitration Lost\n", priv->attr->twi);
       twi_wakeup(priv, -EUSERS);
     }
 #endif