diff --git a/server/api/src/public/v1/calculate.rs b/server/api/src/public/v1/calculate.rs
index 99a47144..e60850d8 100644
--- a/server/api/src/public/v1/calculate.rs
+++ b/server/api/src/public/v1/calculate.rs
@@ -96,14 +96,16 @@ async fn bootstrap(
         if !feat.contains_property("__name") && !instance.is_empty() {
             feat.set_property("__name", instance.clone());
         }
-        feat.set_property(
-            "__mode",
-            if conn.scanner_type == ScannerType::Unown {
-                "circle_pokemon"
-            } else {
-                "circle_smart_pokemon"
-            },
-        );
+        if !feat.contains_property("__mode") {
+            feat.set_property(
+                "__mode",
+                if conn.scanner_type == ScannerType::Unown {
+                    "circle_pokemon"
+                } else {
+                    "circle_smart_pokemon"
+                },
+            );
+        }
         if save_to_db {
             route::Query::upsert_from_geometry(&conn.koji, GeoFormats::Feature(feat.clone()))
                 .await