diff --git a/target/linux/oxnas/config-3.18 b/target/linux/oxnas/config-3.18
index 4997dc1c313bd8ba8bd7aeaebc1f9f2fbd8efe59..f66650a2e189f47c60b03a2a6ec43cfb939c293e 100644
--- a/target/linux/oxnas/config-3.18
+++ b/target/linux/oxnas/config-3.18
@@ -70,6 +70,8 @@ CONFIG_CPU_RMAP=y
 CONFIG_CPU_TLB_V6=y
 CONFIG_CPU_V6K=y
 CONFIG_CRC16=y
+# CONFIG_CRC32_SARWATE is not set
+CONFIG_CRC32_SLICEBY8=y
 CONFIG_CRYPTO_DEFLATE=y
 CONFIG_CRYPTO_LZO=y
 CONFIG_CRYPTO_XZ=y