diff --git a/make/projects-dir.mk b/make/projects-dir.mk
index a70684c4..54dded31 100644
--- a/make/projects-dir.mk
+++ b/make/projects-dir.mk
@@ -46,7 +46,7 @@ export JW_BUILD_VERBOSE
 # ------------ external programs I
 
 CWD                         := $(dir $(abspath $(lastword $(MAKEFILE_LIST))))
-JWB_SCRIPT_DIR               = ./jw-build/scripts
+JWB_SCRIPT_DIR               = $(firstword $(wildcard ./jw-build/scripts /opt/jw-build/bin) jwb-script-dir-not-found)
 GET_OS_SH                    = /bin/bash $(firstword $(wildcard $(JWB_SCRIPT_DIR)/get-os.sh /opt/jw-build/bin/get-os.sh) get-os-sh-not-found)
 SSH_WRAPPER_SH              := $(CWD)/ssh-wrapper.sh