diff --git a/CHANGELOG b/CHANGELOG
index e12be8b7b65..f7c278823ee 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -33,6 +33,7 @@ v 8.4.0 (unreleased)
   - API: Add support for deleting a tag via the API (Robert Schilling)
 
 v 8.3.3 (unreleased)
+  - Preserve CE behavior with JIRA integration by only calling API if URL is set
   - Get "Merge when build succeeds" to work when commits were pushed to MR target branch while builds were running
   - Suppress e-mails on failed builds if allow_failure is set (Stan Hu)
   - Fix project transfer e-mail sending incorrect paths in e-mail notification (Stan Hu)
diff --git a/app/models/project_services/jira_service.rb b/app/models/project_services/jira_service.rb
index 8a43a021819..f6571fc063e 100644
--- a/app/models/project_services/jira_service.rb
+++ b/app/models/project_services/jira_service.rb
@@ -116,6 +116,7 @@ class JiraService < IssueTrackerService
   end
 
   def test_settings
+    return unless api_url.present?
     result = JiraService.get(
       jira_api_test_url,
       headers: {
@@ -213,6 +214,7 @@ class JiraService < IssueTrackerService
   end
 
   def send_message(url, message)
+    return unless api_url.present?
     result = JiraService.post(
       url,
       body: message,
@@ -238,6 +240,7 @@ class JiraService < IssueTrackerService
   end
 
   def existing_comment?(issue_name, new_comment)
+    return unless api_url.present?
     result = JiraService.get(
       comment_url(issue_name),
       headers: {