diff --git a/src/ontology/mondo-ingest.Makefile b/src/ontology/mondo-ingest.Makefile
index a02640205..b9caa8682 100644
--- a/src/ontology/mondo-ingest.Makefile
+++ b/src/ontology/mondo-ingest.Makefile
@@ -170,8 +170,8 @@ $(COMPONENTSDIR)/icd11foundation.owl: $(TMPDIR)/icd11foundation_relevant_signatu
 		remove -T $(TMPDIR)/icd11foundation_relevant_signature.txt --select complement --select "classes individuals" \
 		remove -T $(TMPDIR)/icd11foundation_relevant_signature.txt --select individuals \
 		query \
-			--update ../sparql/fix-labels-with-brackets.ru \
 			--update ../sparql/exact_syn_from_label.ru \
+			--update ../sparql/fix_icd11_synonyms.ru \
 		remove -T config/properties.txt --select complement --select properties --trim true \
 		annotate --ontology-iri $(URIBASE)/mondo/sources/icd11foundation.owl --version-iri $(URIBASE)/mondo/sources/$(TODAY)/icd11foundation.owl -o $@; fi
 
diff --git a/src/sparql/fix_icd11_synonyms.ru b/src/sparql/fix_icd11_synonyms.ru
new file mode 100644
index 000000000..d70e75c67
--- /dev/null
+++ b/src/sparql/fix_icd11_synonyms.ru
@@ -0,0 +1,24 @@
+PREFIX oboInOwl: <http://www.geneontology.org/formats/oboInOwl#>
+
+# Fix synonym formatting for ICD11 where (MIM ######) or (OMIM ######) is appended to the synonym
+
+DELETE {
+  ?class oboInOwl:hasExactSynonym ?exactSynonym .
+}
+
+INSERT {
+  ?class oboInOwl:hasExactSynonym ?updatedSynonym .
+}
+
+WHERE {
+  # Match exact synonyms containing "(MIM ######)" or "(OMIM ###)"
+  ?class oboInOwl:hasExactSynonym ?exactSynonym .
+  FILTER(regex(str(?exactSynonym), "\\((MIM \\d{6}|OMIM\\s+#\\d{6})\\)"))
+
+  # Remove the "(MIM ######)" or "(OMIM ###)" part
+  BIND(REPLACE(STR(?exactSynonym), "\\s*\\((MIM \\d{6}|OMIM\\s+#\\d{6})\\)", "") AS ?updatedSynonym)
+  
+  # Ensure the updated synonym is different
+  FILTER(?exactSynonym != ?updatedSynonym)
+}
+