diff --git a/scripts/test-cov.sh b/scripts/test-cov.sh
index f194787bad..e4ea114390 100755
--- a/scripts/test-cov.sh
+++ b/scripts/test-cov.sh
@@ -1,5 +1,5 @@
 #!/bin/sh
 set -e
 
-node node_modules/istanbul/lib/cli.js cover node_modules/mocha/bin/_mocha -- `scripts/_get-test-directories.sh` --opts mocha.opts
+node node_modules/istanbul/lib/cli.js cover node_modules/mocha/bin/_mocha -- `scripts/_get-test-directories.sh` --opts test/mocha.opts
 test -n "`which open`" && open coverage/lcov-report/index.html