diff --git a/app/config/schema/schema.json b/app/config/schema/schema.json
index 9ea2d7a21..76c8f8f0c 100644
--- a/app/config/schema/schema.json
+++ b/app/config/schema/schema.json
@@ -443,7 +443,7 @@
         "identifiers_i2": { "columns": [ "identifier", "type_id", "external_identity_id" ] },
         "identifiers_i3": { "columns": [ "type_id" ] },
         "identifiers_i4": { "needed": false, "columns": [ "provisioning_target_id" ] },
-        "identifiers_i5": { "columns": [ "lower(identifier::text)", "type_id" ] }
+        "identifiers_i5": { "columns": [ "lower(identifier)", "type_id" ] }
       },
       "mvea": [ "person", "external_identity", "group" ],
       "sourced": true
@@ -657,9 +657,9 @@
         "reference_identifier": {}
       },
       "indexes": {
-        "ext_identity_sources_records_i1": { "columns": [ "external_identity_source_id" ] },
-        "ext_identity_sources_records_i2": { "columns": [ "external_identity_id" ] },
-        "ext_identity_sources_records_i3": { "columns": [ "external_identity_source_id", "source_key" ] }
+        "ext_identity_source_records_i1": { "columns": [ "external_identity_source_id" ] },
+        "ext_identity_source_records_i2": { "columns": [ "external_identity_id" ] },
+        "ext_identity_source_records_i3": { "columns": [ "external_identity_source_id", "source_key" ] }
       }
     }
   },