diff --git a/target/linux/cns3xxx/patches-3.3/100-laguna_support.patch b/target/linux/cns3xxx/patches-3.3/100-laguna_support.patch
index 0137ae0d8..64b7adb7e 100644
--- a/target/linux/cns3xxx/patches-3.3/100-laguna_support.patch
+++ b/target/linux/cns3xxx/patches-3.3/100-laguna_support.patch
@@ -490,7 +490,7 @@
 +
 +static void at24_setup(struct memory_accessor *mem_acc, void *context)
 +{
-+	char buf[8];
++	char buf[16];
 +
 +	at24_mem_acc = mem_acc;
 +