diff --git a/web/manage/Makefile b/web/manage/Makefile
index 903c43e..57d27f0 100644
--- a/web/manage/Makefile
+++ b/web/manage/Makefile
@@ -9,7 +9,7 @@ DEV_PORT ?= 5000
 SHARED ?= ../shared
 SHARED_COPY ?= $(OUTPUT)/shared
 
-current_dir = $(shell pwd)
+current_dir ?= $(shell pwd)
 shared_files = $(wildcard $(SHARED)/*/*)
 shared_copy_files = $(foreach path,$(shared_files),$(subst $(SHARED)/,$(SHARED_COPY)/,$(path)))