diff --git a/app/Validators/Extensions/Polygons/FeatureBounds.php b/app/Validators/Extensions/Polygons/FeatureBounds.php
index 4f8bca13c..678eefaa2 100644
--- a/app/Validators/Extensions/Polygons/FeatureBounds.php
+++ b/app/Validators/Extensions/Polygons/FeatureBounds.php
@@ -37,7 +37,7 @@ public static function geoJsonValid($geojson): bool
             return self::hasValidPolygonBounds(data_get($geojson, 'geometry.coordinates.0'));
         } elseif ($type === 'MultiPolygon') {
             foreach (data_get($geojson, 'geometry.coordinates') as $coordinates) {
-                if (! self::hasValidPolygonBounds($coordinates)) {
+                if (! self::hasValidPolygonBounds($coordinates[0])) {
                     return false;
                 }
             }