diff --git a/cd.sh b/cd.sh
index 622af39..0ff0821 100644
--- a/cd.sh
+++ b/cd.sh
@@ -37,17 +37,9 @@ cd_main () {
 # steps
 
 cd_set_environment_variables () {
-local index
-local text
     cd_step "Set environment variables"
     #
-    index=1
-    eval "text=\"\${CD_CA_${index}}\""
-    while [ "${text}" ] ; do
-        CD_CA=${index}
-        index=$((index+1))
-        eval "text=\"\${CD_CA_${index}}\""
-    done
+    [ "${CD_CA_1}" ] && CD_CA=true
     #
     case "$(cd_grep_os ID)" in
         "debian")