diff --git a/bin/singlestart.sh b/bin/singlestart.sh
index a0dda3160368a3d28b99eb69b73728fa87b254de..b6f97e84c7d9b686f53b01f4362649350fa503c1 100755
--- a/bin/singlestart.sh
+++ b/bin/singlestart.sh
@@ -48,7 +48,7 @@ unset LOGDIR LOGPIPE PIDLIST
 
 echo "*** Setting up logging."
 # Clean up logging
-LOGDIR=$( mktemp --directory )
+LOGDIR=$( mktemp -d )
 trap "rm -f ${LOGDIR}" EXIT
 LOGPIPE=${LOGDIR}/logpipe
 mknod ${LOGPIPE} p