diff --git a/make/defs.mk b/make/defs.mk
index 35a84ace..c8d5ce52 100644
--- a/make/defs.mk
+++ b/make/defs.mk
@@ -1644,6 +1644,7 @@ PREREQ_BUILD              += feedfs
 INCLUDE                   += -I$(WT_JANNET_DIR)/include
 LD_LIB_PATH               += $(WT_JANNET_DIR)/lib
 EXE_SEARCH_PATH           += $(WT_JANNET_DIR)/bin
+LIBFLAGS                  += -L$(WT_JANNET_DIR)/lib -lwt-jannet
 PREREQ                    += WT_JANNET
 CATCH_ONLY_YERROR          = false
 endif