diff --git a/drivers/video/metronomefb.c b/drivers/video/metronomefb.c
index afeed06..df1f757 100644
--- a/drivers/video/metronomefb.c
+++ b/drivers/video/metronomefb.c
@@ -188,7 +188,7 @@
 		epd_frame_table[par->dt].wfm_size = user_wfm_size;
 
 	if (size != epd_frame_table[par->dt].wfm_size) {
-		dev_err(dev, "Error: unexpected size %d != %d\n", size,
+		dev_err(dev, "Error: unexpected size %Zd != %d\n", size,
 					epd_frame_table[par->dt].wfm_size);
 		return -EINVAL;
 	}