diff --git a/spcd/bootstrap.sh b/spcd/bootstrap.sh
index 374441f..1a43f30 100644
--- a/spcd/bootstrap.sh
+++ b/spcd/bootstrap.sh
@@ -353,7 +353,7 @@ spcd_step__environment_defaults_print() {
         "URL_UBUNTU"
     for spcd_step_edp__item in "${@}"; do
         spcd_step_edp__name="SPCD_${spcd_step_edp__item}"
-        eval "spcd_step_edp__value=\${${spcd_step_edp__name}}"
+        eval "spcd_step_edp__value=\"\${${spcd_step_edp__name}}\""
         if [ -n "${spcd_step_edp__value}" ]; then
             spcd_os_printenv "${spcd_step_edp__name}"
         fi