diff --git a/src/services/chart/core.ts b/src/services/chart/core.ts
index 0a9ec8dae..fe762f2b2 100644
--- a/src/services/chart/core.ts
+++ b/src/services/chart/core.ts
@@ -79,7 +79,7 @@ export default abstract class Chart<T extends Record<string, any>> {
 					flatColumns(v.properties, p);
 				} else {
 					columns[this.columnPrefix + p] = {
-						type: 'integer',
+						type: 'bigint',
 					};
 				}
 			}