1 files changed, 1 insertions, 1 deletions
diff --git a/app/assets/javascripts/editor/extensions/source_editor_ci_schema_ext.js b/app/assets/javascripts/editor/extensions/source_editor_ci_schema_ext.js
index 0290bb84b5f..b41eae88c54 100644
--- a/app/assets/javascripts/editor/extensions/source_editor_ci_schema_ext.js
+++ b/app/assets/javascripts/editor/extensions/source_editor_ci_schema_ext.js
@@ -14,7 +14,7 @@ export class CiSchemaExtension {
         // to fetch schema files, hence the `gon.gitlab_url`
         // reference. This prevents error:
         //   "Failed to execute 'fetch' on 'WorkerGlobalScope'"
-        const absoluteSchemaUrl = gon.gitlab_url + ciSchemaPath;
+        const absoluteSchemaUrl = new URL(ciSchemaPath, gon.gitlab_url).href;
         const modelFileName = instance.getModel().uri.path.split('/').pop();
 
         registerSchema({