diff --git a/Makefile b/Makefile
index 59b3057..efda326 100644
--- a/Makefile
+++ b/Makefile
@@ -1,5 +1,5 @@
-CONTAINER?=$(shell basename $(CURDIR))-php-1
-BUILDCHAIN?=$(shell basename $(CURDIR))-webpack-1
+CONTAINER?=$(shell basename $(CURDIR))_php_1
+BUILDCHAIN?=$(shell basename $(CURDIR))_webpack_1
 
 .PHONY: build clean composer dev npm pulldb restoredb up