diff --git a/profile b/profile
index 7f0cc87..b194e5c 100755
--- a/profile
+++ b/profile
@@ -33,11 +33,12 @@ export LD_LIBRARY_PATH="$HOME/.local/lib:$LD_LIBRARY_PATH"
 type setterm >/dev/null 2>&1 && setterm -blank 30 -powersave on # -powerdown 10
 # in my environment powerdown does not work
 
-if test -n $TMPDIR
+if test -n "$TMPDIR"
 then
     export TMP=$TMPDIR
 else
     export TMP=/tmp/
+fi
 export TMP="${TMP}${USER}-tmp"
 export TEMP="$TMP"
 mkdir -p "$TMP"