diff --git a/.changes/unreleased/Fixed-20230714-130035.yaml b/.changes/unreleased/Fixed-20230714-130035.yaml
new file mode 100644
index 000000000..c883fa59e
--- /dev/null
+++ b/.changes/unreleased/Fixed-20230714-130035.yaml
@@ -0,0 +1,6 @@
+kind: Fixed
+body: '[collate addresses] block collating addresses to another address reference
+  where the address reference is already the best match'
+time: 2023-07-14T13:00:35.117940845+02:00
+custom:
+  Issue: ""
diff --git a/src/Bundle/ChillMainBundle/Service/AddressGeographicalUnit/CollateAddressWithReferenceOrPostalCode.php b/src/Bundle/ChillMainBundle/Service/AddressGeographicalUnit/CollateAddressWithReferenceOrPostalCode.php
index 17e3f5ce2..4dc1947c1 100644
--- a/src/Bundle/ChillMainBundle/Service/AddressGeographicalUnit/CollateAddressWithReferenceOrPostalCode.php
+++ b/src/Bundle/ChillMainBundle/Service/AddressGeographicalUnit/CollateAddressWithReferenceOrPostalCode.php
@@ -62,9 +62,8 @@ final readonly class CollateAddressWithReferenceOrPostalCode implements CollateA
                           JOIN chill_main_postal_code cmpc on cma.postcode_id = cmpc.id,
                       chill_main_address_reference cmar JOIN chill_main_postal_code cmpc_reference ON cmar.postcode_id = cmpc_reference.id
                   WHERE
-                    cma.addressreference_id != cmar.id
                     -- only if cmpc is a reference (must be matched before executing this query)
-                    AND cma.postcode_id = cmar.postcode_id
+                    cma.postcode_id = cmar.postcode_id
                     -- join cmpc to cma
                     AND SIMILARITY(LOWER(cma.street), LOWER(cmar.street)) > 0.6 AND LOWER(cma.streetnumber) = LOWER(cmar.streetnumber)
                     -- only addresses which match the address reference - let the user decide if the reference has changed