diff --git a/mk/spdk.app.mk b/mk/spdk.app.mk
index 08d3ab7d6..66ece2b0f 100644
--- a/mk/spdk.app.mk
+++ b/mk/spdk.app.mk
@@ -48,6 +48,10 @@ SPDK_FILTER_LIB_LIST += $(filter net,$(SPDK_LIB_LIST))
 SPDK_FILTER_LIB_LIST += $(filter scsi,$(SPDK_LIB_LIST))
 SPDK_FILTER_LIB_LIST += $(filter vhost,$(SPDK_LIB_LIST))
 
+# The unit test mock wrappers need to be wrapped in whole-archive so they don't get
+# automatically removed with LTO.
+SPDK_FILTER_LIB_LIST += $(filter spdk_mock,$(SPDK_LIB_LIST))
+
 SPDK_WHOLE_ARCHIVE_LIB_LIST = $(sort $(SPDK_FILTER_LIB_LIST))
 SPDK_REMAINING_LIB_LIST = $(filter-out $(SPDK_WHOLE_ARCHIVE_LIB_LIST),$(SPDK_LIB_LIST))