diff --git a/drivers/staging/fbtft/fbtft_device.c b/drivers/staging/fbtft/fbtft_device.c
index 3856c8873f63..80ab918999a6 100644
--- a/drivers/staging/fbtft/fbtft_device.c
+++ b/drivers/staging/fbtft/fbtft_device.c
@@ -1375,7 +1375,7 @@ static int __init fbtft_device_init(void)
 	}
 
 	/* name=list lists all supported displays */
-	if (strncmp(name, "list", 32) == 0) {
+	if (strncmp(name, "list", FBTFT_GPIO_NAME_SIZE) == 0) {
 		pr_info(DRVNAME":  Supported displays:\n");
 
 		for (i = 0; i < ARRAY_SIZE(displays); i++)