diff --git a/libfprint/drivers/uru4000.c b/libfprint/drivers/uru4000.c
index cd1a3be..ee801fa 100644
--- a/libfprint/drivers/uru4000.c
+++ b/libfprint/drivers/uru4000.c
@@ -397,7 +397,7 @@ finger_presence_irq_cb (FpImageDevice *dev,
     fpi_image_device_report_finger_status (dev, TRUE);
   else if (type == IRQDATA_FINGER_OFF)
     fpi_image_device_report_finger_status (dev, FALSE);
-  else
+  else if (type != IRQDATA_SCANPWR_ON)
     fp_warn ("ignoring unexpected interrupt %04x", type);
 }