diff --git a/target/linux/ixp4xx/config-2.6.28 b/target/linux/ixp4xx/config-2.6.28
index 374d1b159b4..ac6d27a1ba3 100644
--- a/target/linux/ixp4xx/config-2.6.28
+++ b/target/linux/ixp4xx/config-2.6.28
@@ -150,6 +150,7 @@ CONFIG_I2C_GPIO=y
 # CONFIG_IDE is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_INPUT=m
+# CONFIG_INPUT_IXP4XX_BEEPER is not set
 CONFIG_IP_MROUTE=y
 CONFIG_IP_PIMSM_V1=y
 CONFIG_IP_PIMSM_V2=y