diff --git a/Jenkinsfile b/Jenkinsfile
index 2756574..ad69f31 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -101,10 +101,14 @@ pipeline {
     stages
     {
         stage('Prepare dependencies') {
+            agent {
+                node { label'workstation' }
+            }
             steps {
                 sh'''
                 git submodule update --init
                 make clean || true
+                rm -rf build/* || true
                 '''
             }
         }
diff --git a/Makefile b/Makefile
index 61f2da1..b1f427c 100644
--- a/Makefile
+++ b/Makefile
@@ -57,13 +57,13 @@ luasocket:
 		make -C $(ROOT_DIR)/antd/luasocket linux
 	LUAV=5.4 \
 		LUAINC_linux=$(ROOT_DIR)/antd/silk/modules/lua/lua54/ \
-		LUAPREFIX_linux=$(DESTDIR) \
+		LUAPREFIX_linux=$(BUILD_PREFIX) \
 		PLAT=linux \
 		make -C $(ROOT_DIR)/antd/luasocket install-unix
-	-mkdir -p $(DESTDIR)/lib/lua
-	cp -rf $(DESTDIR)/lib/lua/5.4/* $(DESTDIR)/opt/www/lib/lua/
-	cp -rf $(DESTDIR)/share/lua/5.4/* $(DESTDIR)/opt/www/lib/lua/
-	rm -rf $(DESTDIR)/lib $(DESTDIR)/share
+	-mkdir -p $(INSTALL_DIR)/lib/lua
+	cp -rf $(INSTALL_DIR)/lib/lua/5.4/* $(INSTALL_DIR)/lib/lua/
+	cp -rf $(INSTALL_DIR)/share/lua/5.4/* $(INSTALL_DIR)/lib/lua/
+	rm -rf $(INSTALL_DIR)/lib/lua/5.4 $(INSTALL_DIR)/share
 
 antd-% sil%: httpd
 	@echo "Building $@"