diff --git a/frontend/src/individual_breeding_form.tsx b/frontend/src/individual_breeding_form.tsx
index fa3f8da5..a4cf95fb 100644
--- a/frontend/src/individual_breeding_form.tsx
+++ b/frontend/src/individual_breeding_form.tsx
@@ -381,7 +381,7 @@ export function IndividualBreedingForm({
           "breeding",
           newBreeding.breeding_id,
           "birth_date",
-          newBirth.birth_date
+          newBirthData.date
         );
         closeDialog();
       }
diff --git a/frontend/src/individual_edit.tsx b/frontend/src/individual_edit.tsx
index f0baf962..014864c3 100644
--- a/frontend/src/individual_edit.tsx
+++ b/frontend/src/individual_edit.tsx
@@ -214,6 +214,7 @@ export function IndividualEdit({ id }: { id: string | undefined }) {
     ) {
       handleUpdateIndividual("birth_date", formatDate(individual?.birth_date));
     } else if (
+      individual?.birth_date &&
       individual?.birth_date?.split("-")[0].slice(-2) !=
       oldIndividual?.birth_date?.split("-")[0].slice(-2)
     ) {