diff --git a/plugins/common/functions b/plugins/common/functions
index 7a0c96213..97aeef675 100755
--- a/plugins/common/functions
+++ b/plugins/common/functions
@@ -917,7 +917,7 @@ get_app_urls() {
   if [[ -n "$urls" ]]; then
     echo "$urls" | sort
   else
-    internal_get_app_urls "$URL_TYPE" "$APP"
+    internal_get_app_urls "$URL_TYPE" "$APP" | sort
   fi
 }
 
diff --git a/tests/unit/core_2.bats b/tests/unit/core_2.bats
index 9a0de63d1..ab48f48ba 100644
--- a/tests/unit/core_2.bats
+++ b/tests/unit/core_2.bats
@@ -62,7 +62,7 @@ teardown() {
   build_nginx_config
   assert_urls "http://${TEST_APP}.dokku.me"
   add_domain "test.dokku.me"
-  assert_urls "http://test.dokku.me" "http://${TEST_APP}.dokku.me"
+  assert_urls "http://${TEST_APP}.dokku.me" "http://test.dokku.me"
 }
 
 @test "(core) urls (app ssl)" {
@@ -71,7 +71,7 @@ teardown() {
   build_nginx_config
   assert_urls "http://${TEST_APP}.dokku.me" "https://${TEST_APP}.dokku.me"
   add_domain "test.dokku.me"
-  assert_urls "http://test.dokku.me" "http://${TEST_APP}.dokku.me" "https://test.dokku.me" "https://${TEST_APP}.dokku.me"
+  assert_urls "http://${TEST_APP}.dokku.me" "https://${TEST_APP}.dokku.me" "https://test.dokku.me" "http://test.dokku.me"
 }
 
 @test "(core) url (app ssl)" {
@@ -87,9 +87,9 @@ teardown() {
   build_nginx_config
   assert_urls "http://${TEST_APP}.dokku.me" "https://${TEST_APP}.dokku.me"
   add_domain "test.dokku.me"
-  assert_urls "http://test.dokku.me" "http://${TEST_APP}.dokku.me" "https://test.dokku.me" "https://${TEST_APP}.dokku.me"
+  assert_urls "http://${TEST_APP}.dokku.me" "https://${TEST_APP}.dokku.me" "https://test.dokku.me" "http://test.dokku.me"
   add_domain "dokku.example.com"
-  assert_urls "http://dokku.example.com" "http://test.dokku.me" "http://${TEST_APP}.dokku.me" "https://dokku.example.com" "https://test.dokku.me" "https://${TEST_APP}.dokku.me"
+  assert_urls "http://dokku.example.com" "http://${TEST_APP}.dokku.me" "https://dokku.example.com" "https://${TEST_APP}.dokku.me" "https://test.dokku.me" "http://test.dokku.me"
 }
 
 @test "(core) git-remote (off-port)" {
diff --git a/tests/unit/test_helper.bash b/tests/unit/test_helper.bash
index 74e91a183..2f7ea25a2 100644
--- a/tests/unit/test_helper.bash
+++ b/tests/unit/test_helper.bash
@@ -290,7 +290,7 @@ assert_not_external_port() {
 }
 
 assert_url() {
-  url=$1
+  url="$1"
   run /bin/bash -c "dokku url $TEST_APP"
   echo "output: $output"
   echo "status: $status"
@@ -299,12 +299,12 @@ assert_url() {
 }
 
 assert_urls() {
-  urls=("$@")
-  run /bin/bash -c "dokku urls $TEST_APP"
+  urls="$@"
+  run /bin/bash -c "dokku urls $TEST_APP | xargs"
   echo "output: $output"
   echo "status: $status"
-  echo "urls:" "$(tr ' ' '\n' <<<"${urls}" | sort)"
-  assert_output < <(tr ' ' '\n' <<<"${urls}" | sort)
+  echo "urls:" "$urls"
+  assert_output "$urls"
 }
 
 deploy_app() {