diff --git a/setup.sh b/setup.sh
index 9ccbf68cb..f48f49f30 100755
--- a/setup.sh
+++ b/setup.sh
@@ -257,7 +257,8 @@ setup_osie() (
 		pushd "$SCRATCH"
 
 		if [ -z "${TB_OSIE_TAR:-}" ]; then
-			curl -fsSL 'https://tinkerbell-oss.s3.amazonaws.com/osie-uploads/latest.tar.gz' -o ./osie.tar.gz
+			local OSIE_DOWNLOAD_LINK=${OSIE_DOWNLOAD_LINK:-"https://tinkerbell-oss.s3.amazonaws.com/osie-uploads/latest.tar.gz"} # If variable not set or null, use default.
+			curl -fsSL "${OSIE_DOWNLOAD_LINK}" -o ./osie.tar.gz
 			tar -zxf osie.tar.gz
 		else
 			if [ ! -f "$TB_OSIE_TAR" ]; then