diff --git a/lnwallet/btcwallet/btcwallet_rpctest.go b/lnwallet/btcwallet/btcwallet_rpctest.go
index 7139e4cc..28dd35a7 100644
--- a/lnwallet/btcwallet/btcwallet_rpctest.go
+++ b/lnwallet/btcwallet/btcwallet_rpctest.go
@@ -1,4 +1,4 @@
-// +build rpctest
+// +build rpctest lowscrypt
 
 package btcwallet
 
diff --git a/make/testing_flags.mk b/make/testing_flags.mk
index da5cbeb1..88287f84 100644
--- a/make/testing_flags.mk
+++ b/make/testing_flags.mk
@@ -86,7 +86,7 @@ UNIT_TARGETED ?= no
 # targeted case. Otherwise, default to running all tests.
 ifeq ($(UNIT_TARGETED), yes)
 UNIT := $(GOTEST) -tags="$(DEV_TAGS) $(LOG_TAGS)" $(TEST_FLAGS) $(UNITPKG)
-UNIT_RACE := $(GOTEST) -tags="$(DEV_TAGS) $(LOG_TAGS)" $(TEST_FLAGS) -race $(UNITPKG)
+UNIT_RACE := $(GOTEST) -tags="$(DEV_TAGS) $(LOG_TAGS) lowscrypt" $(TEST_FLAGS) -race $(UNITPKG)
 endif
 
 ifeq ($(UNIT_TARGETED), no)