diff --git a/lib/Makefile b/lib/Makefile
index 7bd6fd4..bf01c26 100644
--- a/lib/Makefile
+++ b/lib/Makefile
@@ -178,6 +178,7 @@
 obj-$(CONFIG_GENERIC_NET_UTILS) += net_utils.o
 
 obj-$(CONFIG_SG_SPLIT) += sg_split.o
+obj-$(CONFIG_SG_POOL) += sg_pool.o
 obj-$(CONFIG_STMP_DEVICE) += stmp_device.o
 obj-$(CONFIG_IRQ_POLL) += irq_poll.o