diff --git a/arch/arm/configs/exynos_defconfig b/arch/arm/configs/exynos_defconfig
index 79c415c33f69..12b8f69cbb52 100644
--- a/arch/arm/configs/exynos_defconfig
+++ b/arch/arm/configs/exynos_defconfig
@@ -43,6 +43,7 @@ CONFIG_PACKET=y
 CONFIG_UNIX=y
 CONFIG_NET_KEY=y
 CONFIG_INET=y
+CONFIG_IP_MULTICAST=y
 CONFIG_IP_PNP=y
 CONFIG_IP_PNP_DHCP=y
 CONFIG_IP_PNP_BOOTP=y