diff --git a/SAS/TMSS/backend/src/tmss/tmssapp/schemas/common_schema_template-beamforming-1.json b/SAS/TMSS/backend/src/tmss/tmssapp/schemas/common_schema_template-beamforming-1.json
index 71664e70c49bb16cf28bb22dccd6a2863fca8f50..2ae045a41d6ed608b2179bcda93782d577786c29 100644
--- a/SAS/TMSS/backend/src/tmss/tmssapp/schemas/common_schema_template-beamforming-1.json
+++ b/SAS/TMSS/backend/src/tmss/tmssapp/schemas/common_schema_template-beamforming-1.json
@@ -23,7 +23,7 @@
       "default": {},
       "properties": {
         "stokes": {
-          "$ref": "#/definitions/stokes",
+          "$ref": "http://tmss.lofar.org/api/schemas/commonschematemplate/beamforming/1#/definitions/stokes",
           "default": "I"
         },
         "time_integration_factor": {