diff --git a/openwrt/target/linux/brcm-2.4/config b/openwrt/target/linux/brcm-2.4/config
index 7185e9f399..7b0020722b 100644
--- a/openwrt/target/linux/brcm-2.4/config
+++ b/openwrt/target/linux/brcm-2.4/config
@@ -1379,7 +1379,7 @@ CONFIG_CRYPTO_MICHAEL_MIC=m
 #
 # Library routines
 #
-# CONFIG_CRC32 is not set
+CONFIG_CRC32=y
 CONFIG_ZLIB_INFLATE=y
 CONFIG_ZLIB_DEFLATE=y
 # CONFIG_FW_LOADER is not set