diff --git a/CHANGELOG.md b/CHANGELOG.md
index 0dc39e8..ddf7339 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -26,6 +26,7 @@
 - Restrict available imam roles based on worship organisation status [DL-7485]
   - IMPORTANT NOTE: Make sure first the [DL-7485] loket migration has completed + data has flown from loket to OP
 - Frontend [v1.41.1](https://github.com/lblod/frontend-organization-portal/blob/v1.41.1/CHANGELOG.md) [DL-7438]
+- Fix broken lmb mandataris mappin query [OP-3867]
 
 ### Deploy notes
 ```
@@ -68,6 +69,9 @@ drc restart cache resource
 drc restart migrations resource delta-producer-publication-graph-maintainer
 ```
 
+```
+drc restart migrations mandatarissen-consumer
+```
 ## v1.41.0
  - added explicit healtchecks [DL-7466]
 
diff --git a/config/delta-consumers/mandatarissen/mapping/queries/dl2op/pass/mandataris.sparql b/config/delta-consumers/mandatarissen/mapping/queries/dl2op/pass/mandataris.sparql
index 0805d36..dd4ee07 100644
--- a/config/delta-consumers/mandatarissen/mapping/queries/dl2op/pass/mandataris.sparql
+++ b/config/delta-consumers/mandatarissen/mapping/queries/dl2op/pass/mandataris.sparql
@@ -8,10 +8,10 @@ CONSTRUCT {
     ?p ?o.
 
   ?orgaanInTime <http://www.w3.org/ns/org#hasPost> ?mandate ;
-    <http://data.vlaanderen.be/ns/mandaat#isTijdspecialisatieVan> ?orgaan .
+    <https://data.vlaanderen.be/ns/generiek#isTijdspecialisatieVan> ?orgaan .
 
   ?orgaan <http://data.vlaanderen.be/ns/besluit#bestuurt> ?bestuur .
-  ?bestuur <http://data.vlaanderen.be/ns/besluit#classificatie> ?classification .
+  ?bestuur <http://www.w3.org/ns/org#classification> ?classification .
 
 
   FILTER(?classification IN (
diff --git a/config/migrations/2026/20260819145231-promote-stuck-mandatarissen-from-landing-zone.sparql b/config/migrations/2026/20260819145231-promote-stuck-mandatarissen-from-landing-zone.sparql
new file mode 100644
index 0000000..656b0d0
--- /dev/null
+++ b/config/migrations/2026/20260819145231-promote-stuck-mandatarissen-from-landing-zone.sparql
@@ -0,0 +1,40 @@
+PREFIX mandaat: <http://data.vlaanderen.be/ns/mandaat#>
+PREFIX generiek: <https://data.vlaanderen.be/ns/generiek#>
+PREFIX org: <http://www.w3.org/ns/org#>
+PREFIX besluit: <http://data.vlaanderen.be/ns/besluit#>
+
+INSERT {
+  GRAPH <http://mu.semte.ch/graphs/administrative-unit> {
+    ?s ?p ?o.
+  }
+}
+WHERE {
+  GRAPH <http://mu.semte.ch/graphs/landing-zone/mandatarissen> {
+    ?s a mandaat:Mandataris;
+      org:holds ?mandate;
+      ?p ?o.
+  }
+
+  ?orgaanInTime org:hasPost ?mandate ;
+    generiek:isTijdspecialisatieVan ?orgaan .
+
+  ?orgaan besluit:bestuurt ?bestuur .
+  ?bestuur org:classification ?classification .
+
+  FILTER(?classification IN (
+    <http://data.vlaanderen.be/id/concept/BestuurseenheidClassificatieCode/5ab0e9b8a3b2ca7c5e000000>,
+    <http://data.vlaanderen.be/id/concept/BestuurseenheidClassificatieCode/5ab0e9b8a3b2ca7c5e000001>,
+    <http://data.vlaanderen.be/id/concept/BestuurseenheidClassificatieCode/5ab0e9b8a3b2ca7c5e000002>,
+    <http://data.vlaanderen.be/id/concept/BestuurseenheidClassificatieCode/5ab0e9b8a3b2ca7c5e000003>
+  ))
+
+  FILTER (?p NOT IN (mandaat:start, mandaat:einde))
+
+  FILTER NOT EXISTS {
+    ?s ?p "" .
+  }
+
+  FILTER NOT EXISTS {
+    GRAPH <http://mu.semte.ch/graphs/administrative-unit> { ?s org:holds ?mandate }
+  }
+}