diff --git a/tests/Sanity/basic-sanity/runtest.sh b/tests/Sanity/basic-sanity/runtest.sh
index 26909ca..08d7b97 100755
--- a/tests/Sanity/basic-sanity/runtest.sh
+++ b/tests/Sanity/basic-sanity/runtest.sh
@@ -68,8 +68,8 @@ _CERT_PASS="certpass"
 _NEW_LUKS_PASS="newlukspass"
 _NEW_LUKS_PASS_ASYM="newlukspass-asym"
 
-_LANG_BACKUP="${LANG}"
-_LC_ALL_BACKUP="${LC_ALL}"
+_LANG_BACKUP="${LANG:-}"
+_LC_ALL_BACKUP="${LC_ALL:-}"
 _TEMP_DIR=""
 _VOLUME=""
 
@@ -116,7 +116,7 @@ function Setup() {
   _VOLUME="${_Result}"
   AtCleanup Cleanup_DestroyVolume
 
-  if ! CreateCertificate --name "${_ESCROW}" --dest "${_TEMP_DIR}"; then
+  if ! CreateCertificate --name "${_ESCROW}"; then
     return $?
   fi