diff --git a/src/components/Admin/resources/competition/competition/CompetitionList.tsx b/src/components/Admin/resources/competition/competition/CompetitionList.tsx
index 0a0d17bd..7f05301e 100644
--- a/src/components/Admin/resources/competition/competition/CompetitionList.tsx
+++ b/src/components/Admin/resources/competition/competition/CompetitionList.tsx
@@ -9,7 +9,7 @@ export const CompetitionList: FC = () => (
     <Datagrid rowClick="show">
       <TextField source="name" />
       <TextField source="slug" />
-      <NumberField source="start_year" />
+      <TextField source="start_year" />
       <TruncatedTextField source="description" maxTextWidth={30} />
       <TruncatedTextField source="rules" maxTextWidth={30} />
       <TextField source="competition_type.name" label="Competition type" />
diff --git a/src/components/Admin/resources/competition/competition/CompetitionShow.tsx b/src/components/Admin/resources/competition/competition/CompetitionShow.tsx
index a690a0f0..bfeeb1b8 100644
--- a/src/components/Admin/resources/competition/competition/CompetitionShow.tsx
+++ b/src/components/Admin/resources/competition/competition/CompetitionShow.tsx
@@ -27,7 +27,7 @@ export const CompetitionShow: FC = () => (
         <SimpleShowLayout>
           <TextField source="name" />
           <TextField source="slug" />
-          <NumberField source="start_year" />
+          <TextField source="start_year" />
           <TruncatedTextField source="description" maxTextWidth={100} expandable />
           <TruncatedTextField source="rules" maxTextWidth={200} expandable />
           <TextField source="competition_type.name" label="Competition type" />