diff --git a/genotype_api/database/crud/update.py b/genotype_api/database/crud/update.py
index 413f863..74ac4ba 100644
--- a/genotype_api/database/crud/update.py
+++ b/genotype_api/database/crud/update.py
@@ -32,7 +32,9 @@ async def refresh_sample_status(
 
     async def update_sample_comment(self, sample_id: str, comment: str) -> Sample:
         query: Query = (
-            select(Sample).options(selectinload(Sample.analyses)).filter(Sample.id == sample_id)
+            select(Sample)
+            .options(selectinload(Sample.analyses).selectinload(Analysis.genotypes))
+            .filter(Sample.id == sample_id)
         )
         sample: Sample = await self.fetch_one_or_none(query)