diff --git a/bsp/ar71xx/.config b/bsp/ar71xx/.config
index 6c2c730..0b9a367 100644
--- a/bsp/ar71xx/.config
+++ b/bsp/ar71xx/.config
@@ -96,6 +96,7 @@ CONFIG_CLEAN_IPKG=y
 # CONFIG_FASTD_ENABLE_METHOD_COMPOSED_UMAC is not set
 # CONFIG_FASTD_ENABLE_METHOD_GENERIC_GMAC is not set
 # CONFIG_FASTD_ENABLE_METHOD_GENERIC_UMAC is not set
+CONFIG_KERNEL_SQUASHFS_FRAGMENT_CACHE_SIZE=1
 # CONFIG_PACKAGE_ALFRED_VIS is not set
 CONFIG_PACKAGE_hostapd-mini=y
 CONFIG_PACKAGE_iwinfo=m