diff --git a/src/backfill.zig b/src/backfill.zig
index 9896b1f..b6e43ff 100644
--- a/src/backfill.zig
+++ b/src/backfill.zig
@@ -339,7 +339,7 @@ pub const Backfiller = struct {
         var total_imported: i64 = 0;
         {
             var row = (self.db.rowUnsafe(
-                "SELECT COUNT(*), COUNT(completed_at), COALESCE(SUM(imported_count), 0) FROM backfill_progress",
+                "SELECT COUNT(*)::bigint, COUNT(completed_at)::bigint, COALESCE(SUM(imported_count), 0)::bigint FROM backfill_progress",
                 .{},
             ) catch null) orelse null;
             if (row) |*r| {