diff --git a/dbrepo-ui/api/so.api.service.js b/dbrepo-ui/api/so.api.service.js
index dba658d1e286a0d20be5f484146e2db3292e8ac3..27a9da0a30388ac0730bb0fe70d72ad4fc297043 100644
--- a/dbrepo-ui/api/so.api.service.js
+++ b/dbrepo-ui/api/so.api.service.js
@@ -10,7 +10,7 @@ export default class SOApiService {
             body: JSON.stringify(_body),
         };
 
-        return await fetch('http://localhost/api/semantic/' + url_method, requestOptions)
+        return await fetch('http://localhost:5000/api/semantic/' + url_method, requestOptions)
             .then((response) => {
                 return response;
 
@@ -29,7 +29,7 @@ export default class SOApiService {
             referrerPolicy: 'no-referrer',
         };
 
-        return await fetch('http://localhost/api/semantic/' + url_method + "?schema_id=" + schema_id + "&source_filter=" + source_filter + "&target_filter=" + target_filter, requestOptions)
+        return await fetch('http://localhost:5000/api/semantic/' + url_method + "?schema_id=" + schema_id + "&source_filter=" + source_filter + "&target_filter=" + target_filter, requestOptions)
             .then((response) => {
                 return response;
 
@@ -38,4 +38,4 @@ export default class SOApiService {
                 return error;
         });
     }
-}
\ No newline at end of file
+}