diff --git a/ci/browser_tests_chrome.sh b/ci/browser_tests_chrome.sh
index 1b6c7ca795..c5642f7832 100755
--- a/ci/browser_tests_chrome.sh
+++ b/ci/browser_tests_chrome.sh
@@ -22,7 +22,7 @@ setupRemixd
 sleep 5
 
 TESTFILES=$(circleci tests glob "./test-browser/tests/**/*.test.js" | circleci tests split --split-by=timings)
-npm run nightwatch_local_chrome -- $TESTFILES || TEST_EXITCODE=1
+npm run nightwatch_local_chrome $TESTFILES
 
 echo "$TEST_EXITCODE"
 if [ "$TEST_EXITCODE" -eq 1 ]
diff --git a/ci/browser_tests_firefox.sh b/ci/browser_tests_firefox.sh
index 7ef289dc00..89abb5d2b7 100755
--- a/ci/browser_tests_firefox.sh
+++ b/ci/browser_tests_firefox.sh
@@ -22,7 +22,7 @@ setupRemixd
 sleep 5
 
 TESTFILES=$(circleci tests glob "./test-browser/tests/**/*.test.js" | circleci tests split --split-by=timings)
-npm run nightwatch_local_firefox -- $TESTFILES || TEST_EXITCODE=1
+npm run nightwatch_local_firefox $TESTFILES
 
 echo "$TEST_EXITCODE"
 if [ "$TEST_EXITCODE" -eq 1 ]
diff --git a/package.json b/package.json
index afacc50006..ece1dc12e5 100644
--- a/package.json
+++ b/package.json
@@ -162,8 +162,8 @@
     "make-mock-compiler": "node ci/makeMockCompiler.js",
     "minify": "uglifyjs --in-source-map inline --source-map-inline -c warnings=false",
     "nightwatch_parallel": "nightwatch -e chrome,firefox --config nightwatch.js",
-    "nightwatch_local_firefox": "nightwatch --config nightwatch.js --env firefox",
-    "nightwatch_local_chrome": "nightwatch --config nightwatch.js --env chrome",
+    "nightwatch_local_firefox": "nightwatch --config nightwatch.js --env firefox || exit 1;",
+    "nightwatch_local_chrome": "nightwatch --config nightwatch.js --env chrome || exit 1;",
     "nightwatch_local_ballot": "nightwatch ./test-browser/tests/ballot.test.js --config nightwatch.js --env chrome ",
     "nightwatch_local_usingWorker": "nightwatch ./test-browser/tests/usingWebWorker.test.js --config nightwatch.js --env chrome ",
     "nightwatch_local_libraryDeployment": "nightwatch ./test-browser/tests/libraryDeployment.test.js --config nightwatch.js --env chrome ",