diff --git a/Kbuild b/Kbuild
index 6413efb..8160b23 100644
--- a/Kbuild
+++ b/Kbuild
@@ -661,6 +661,10 @@
 	QDF_OBJS += $(QDF_TEST_OBJ_DIR)/qdf_types_test.o
 endif
 
+ifeq ($(CONFIG_WLAN_HANG_EVENT), y)
+	QDF_OBJS += $(QDF_OBJ_DIR)/qdf_hang_event_notifier.o
+endif
+
 cppflags-$(CONFIG_TALLOC_DEBUG) += -DWLAN_TALLOC_DEBUG
 cppflags-$(CONFIG_QDF_TEST) += -DWLAN_DELAYED_WORK_TEST
 cppflags-$(CONFIG_QDF_TEST) += -DWLAN_HASHTABLE_TEST