diff --git a/scripts/Makefile b/scripts/Makefile
index 1ddb8082..e886a5d2 100644
--- a/scripts/Makefile
+++ b/scripts/Makefile
@@ -2,6 +2,6 @@ TOPDIR = ..
 
 include $(TOPDIR)/make/proj.mk
 
-EXE_SH += jannet jcs jw-pkg
+EXE_SH += $(wildcard jannet jcs jw-pkg)
 
 include $(JWBDIR)/make/scripts.mk