diff --git a/tests/unit/test_helper.bash b/tests/unit/test_helper.bash
index e65eb0894..cea9a1912 100644
--- a/tests/unit/test_helper.bash
+++ b/tests/unit/test_helper.bash
@@ -258,7 +258,7 @@ assert_nonssl_domain() {
 assert_app_domain() {
   local domain=$1
   run /bin/bash -c "dokku domains:report $TEST_APP --domains-app-vhosts | tr \" \" \"\n\" | grep -xF ${domain}"
-  echo "app domains: $(dokku domains:report "$TEST_APP" --domains-app-vhosts | tr \" \" \"\n\")"
+  echo "app domains: $(dokku domains:report "$TEST_APP" --domains-app-vhosts)"
   echo "output: $output"
   echo "status: $status"
   assert_output "${domain}"