diff --git a/runcoms/zshenv b/runcoms/zshenv
index 0f8738b..9ff39e0 100644
--- a/runcoms/zshenv
+++ b/runcoms/zshenv
@@ -64,10 +64,13 @@ fi
 # Temporary Files
 #
 
-if [[ -d "$TMPDIR" ]]; then
-  export TMPPREFIX="${TMPDIR%/}/zsh"
-  if [[ ! -d "$TMPPREFIX" ]]; then
-    mkdir -p "$TMPPREFIX"
-  fi
+if [[ ! -d "$TMPDIR" ]]; then
+  export TMPDIR="/tmp/$USER"
+  mkdir -p -m 700 "$TMPDIR"
+fi
+
+TMPPREFIX="${TMPDIR%/}/zsh"
+if [[ ! -d "$TMPPREFIX" ]]; then
+  mkdir -p "$TMPPREFIX"
 fi