diff --git a/test/run_tests.sh b/test/run_tests.sh
index 93a724aa..5306b65e 100755
--- a/test/run_tests.sh
+++ b/test/run_tests.sh
@@ -110,7 +110,7 @@ cd ${BASEDIR}
 sh prepare_db.sh ${PREPARE_DB_OPTS} || die "database preparation failure"
 cd -
 
-PATH=node_modules/.bin/:$PATH
+PATH=node_modules/.bin/:node_modules/mocha/bin:$PATH
 
 echo
 echo "Environment:"