diff --git a/015-Setting_locale.sh b/015-Setting_locale.sh
index cc767cc..4a25c5f 100644
--- a/015-Setting_locale.sh
+++ b/015-Setting_locale.sh
@@ -20,10 +20,13 @@ else
   sudo locale-gen
   sudo update-locale "LANG=$desired_locale"
 
-  ENV LANG "$desired_locale"
-  ENV LANGUAGE "$desired_locale"
-  ENV LC_ALL "$desired_locale"
-  . /etc/default/locale
+  if is_command ENV
+  then
+    ENV LANG "$desired_locale"
+    ENV LANGUAGE "$desired_locale"
+    ENV LC_ALL "$desired_locale"
+    . /etc/default/locale
+  fi
 
 fi
 current_lang=$(locale | grep LANG= | cut -d= -f2)