1 files changed, 5 insertions, 5 deletions
diff --git a/Makefile b/Makefile
index 92ae6b1..10798b0 100644
--- a/Makefile
+++ b/Makefile
@@ -171,19 +171,19 @@ install-plugins:
 		install -m 644 $$LANGFILE $(DESTDIR)$(INST_ROOT)/lib/gitano/plugins; \
 	done
 
-YARN_ARGS ?=
+override YARN_ARGS := $(YARN_ARGS)
 ifneq ($(LUA_PATH),)
-YARN_ARGS += --env LUA_PATH="$(LUA_PATH)"
+override YARN_ARGS += --env LUA_PATH="$(LUA_PATH)"
 endif
 ifneq ($(LUA_CPATH),)
-YARN_ARGS += --env LUA_CPATH="$(LUA_CPATH)"
+override YARN_ARGS += --env LUA_CPATH="$(LUA_CPATH)"
 endif
 ifneq ($(SCENARIO),)
-YARN_ARGS += --run "$(SCENARIO)"
+override YARN_ARGS += --run "$(SCENARIO)"
 endif
 
 ifneq ($(YARN_SNAPSHOT),)
-YARN_ARGS += --snapshot
+override YARN_ARGS += --snapshot
 endif
 
 TEST_PROTO ?= ssh