diff --git a/drivers/auxdisplay/cfag12864b.c b/drivers/auxdisplay/cfag12864b.c
index cb44cb4f6a47bf25c38a37f0a15832517f2d0c26..80bb061053877806bc7d6de0256e27b706a18977 100644
--- a/drivers/auxdisplay/cfag12864b.c
+++ b/drivers/auxdisplay/cfag12864b.c
@@ -355,7 +355,7 @@ static int __init cfag12864b_init(void)
 
 	cfag12864b_cache = kmalloc(sizeof(unsigned char) *
 		CFAG12864B_SIZE, GFP_KERNEL);
-	if (cfag12864b_buffer == NULL) {
+	if (cfag12864b_cache == NULL) {
 		printk(KERN_ERR CFAG12864B_NAME ": ERROR: "
 			"can't alloc cache buffer (%i bytes)\n",
 			CFAG12864B_SIZE);