diff --git a/plugins/seedwatch.cpp b/plugins/seedwatch.cpp
index 7cbdcbd2a..f56470c66 100644
--- a/plugins/seedwatch.cpp
+++ b/plugins/seedwatch.cpp
@@ -102,7 +102,7 @@ static void remove_seed_config(color_ostream &out, int id) {
 static bool validate_seed_config(color_ostream& out, PersistentDataItem c)
 {
     int seed_id = get_config_val(c, SEED_CONFIG_ID);
-    auto plant = binsearch_in_vector(world->raws.plants.all, &df::plant_raw::index, seed_id);
+    auto plant = df::plant_raw::find(seed_id);
     if (!plant) {
         WARN(config, out).print("discarded invalid seed id: %d\n", seed_id);
         return false;