diff --git a/tools/upx/Makefile b/tools/upx/Makefile
index 127acd0da..fbf1dfbd2 100644
--- a/tools/upx/Makefile
+++ b/tools/upx/Makefile
@@ -17,10 +17,8 @@ HOST_BUILD_DIR:=$(BUILD_DIR_HOST)/$(PKG_NAME)-$(PKG_VERSION)-src
 
 include $(INCLUDE_DIR)/host-build.mk
 
-UPX_UCLDIR := $(BUILD_DIR_HOST)/ucl-1.03
-
 define Host/Compile
-	UPX_UCLDIR=$(UPX_UCLDIR) \
+	UPX_UCLDIR=$(STAGING_DIR_HOST) \
 	$(MAKE) -C $(HOST_BUILD_DIR)/src \
 		CXXFLAGS_WERROR="" LDFLAGS="$(HOST_LDFLAGS)" \
 		CXX="$(HOSTCXX)"