diff --git a/bashrc_add b/bashrc_add
index 2ef3ed8..be1d497 100755
--- a/bashrc_add
+++ b/bashrc_add
@@ -16,7 +16,7 @@
 # https://guide.bash.academy/expansions/
 # https://www.tldp.org/LDP/abs/html/refcards.html#AEN22473
 if [[ $- = *i* ]] ; then
-    if [ "${BASHRC_TMP:-x}" == "x" ]
+    if [ "${bashrctmp:-x}" == "x" ]
     then
         #echo "interactive shell" >&2
 
@@ -231,7 +231,7 @@ EOF
         fi
         logdebug "after"
     else
-        [ -e "${BASHRC_TMP}" ] && exec bash --rcfile "${BASHRC_TMP}"
+        [ -e "${bashrctmp}" ] && exec bash --rcfile "${bashrctmp}"
     fi
 
 fi
diff --git a/functions.sh b/functions.sh
index 23a5dd2..87d1b58 100755
--- a/functions.sh
+++ b/functions.sh
@@ -22,9 +22,9 @@ promptcommandmunge () {
 }
 
 _bashrc_tmp_hook() {
-    if [ ! -z "${BASHRC_TMP:-x}" ];
+    if [ ! -z "${bashrctmp:-x}" ];
     then
-        tmux set-environment BASHRC_TMP "${BASHRC_TMP}"
+        tmux set-environment bashrctmp "${bashrctmp}"
     fi
 }