diff --git a/run-tests.sh b/run-tests.sh
index 23f64e6a..e1bec029 100755
--- a/run-tests.sh
+++ b/run-tests.sh
@@ -23,18 +23,19 @@ fi
 
 # Main unit tests
 MONGO_DATA=`mktemp -d /tmp/CEILO-MONGODB-XXXXX`
+MONGO_PORT=29000
 trap "clean_exit" EXIT
 mkfifo ${MONGO_DATA}/out
 export PATH=${PATH:+$PATH:}/sbin:/usr/sbin
-mongod --maxConns 32 --nojournal --noprealloc --smallfiles --quiet --noauth --port 29000 --dbpath "${MONGO_DATA}" --bind_ip localhost &>${MONGO_DATA}/out &
+mongod --maxConns 32 --nojournal --noprealloc --smallfiles --quiet --noauth --port ${MONGO_PORT} --dbpath "${MONGO_DATA}" --bind_ip localhost &>${MONGO_DATA}/out &
 MONGO_PID=$!
 # Wait for Mongo to start listening to connections
 while read line
 do
-    echo "$line" | grep -q 'waiting for connections on port' && break
+    echo "$line" | grep -q "waiting for connections on port ${MONGO_PORT}" && break
 done < ${MONGO_DATA}/out
 # Read the fifo for ever otherwise mongod would block
 # + that gives us the log on screen
 cat ${MONGO_DATA}/out > /dev/null &
-export CEILOMETER_TEST_MONGODB_URL="mongodb://localhost:29000/ceilometer"
+export CEILOMETER_TEST_MONGODB_URL="mongodb://localhost:${MONGO_PORT}/ceilometer"
 python setup.py testr --slowest --testr-args="$*" $COVERAGE_ARG