diff --git a/build.bash b/build.bash
index 7c3bce076..ec8a67d56 100755
--- a/build.bash
+++ b/build.bash
@@ -17,6 +17,7 @@ set -euo pipefail
 : ${output_filename:="ecaddy"}
 
 : ${git_repo:="${2:-}"}
+: ${git_repo:="."}
 
 pkg=main
 ldflags=()