diff --git a/utils.sh b/utils.sh
index d0ffd1b..2a92239 100644
--- a/utils.sh
+++ b/utils.sh
@@ -307,6 +307,7 @@
 tftf_src_repo_url="${tftf_src_repo_url:-$TFTF_SRC_REPO_URL}"
 tftf_src_repo_url="${tftf_src_repo_url:-https://$tforg_gerrit_url/TF-A/tf-a-tests}"
 scp_src_repo_url="${scp_src_repo_url:-$SCP_SRC_REPO_URL}"
+scp_src_repo_url="${scp_src_repo_url:-$scp_src_repo_default}"
 
 # FIXME set a sane default for tfa_downloads
 tfa_downloads="${tfa_downloads:-file:///downloads/tf-a}"