diff --git a/runcoms/zprofile b/runcoms/zprofile
index 7118770c..90da4478 100644
--- a/runcoms/zprofile
+++ b/runcoms/zprofile
@@ -66,7 +66,7 @@ fi
 #
 
 if [[ ! -d "$TMPDIR" ]]; then
-  export TMPDIR="/tmp/$USER"
+  export TMPDIR="/tmp/`whoami`"
   mkdir -p -m 700 "$TMPDIR"
 fi