diff --git a/schemas/data-ingress/darwin-reference-data/darwin-tiplocs.json b/schemas/data-ingress/darwin-reference-data/darwin-tiplocs.json
index 8300154..cc7945e 100644
--- a/schemas/data-ingress/darwin-reference-data/darwin-tiplocs.json
+++ b/schemas/data-ingress/darwin-reference-data/darwin-tiplocs.json
@@ -38,7 +38,7 @@
                         "description": "CRS of the location"
                     },
                     "t": {
-                        "type": "array",
+                        "type": "string",
                         "description": "TIPLOC assigned to the location"
                     },
                     "n": {