diff --git a/src/Eloquent/SpatialExpression.php b/src/Eloquent/SpatialExpression.php
index 7bc88178..7bdb2afe 100644
--- a/src/Eloquent/SpatialExpression.php
+++ b/src/Eloquent/SpatialExpression.php
@@ -15,4 +15,9 @@ public function getSpatialValue()
     {
         return $this->value->toWkt();
     }
+
+    public function toWkt()
+    {
+        return $this->value->toWkt();
+    }
 }