diff --git a/src/Component/Event.php b/src/Component/Event.php
index e58c015e..8624a945 100644
--- a/src/Component/Event.php
+++ b/src/Component/Event.php
@@ -432,7 +432,7 @@ public function setLocation($location, $title = '', $geo = null)
     {
         if (is_scalar($geo)) {
             $geo = Geo::fromString($geo);
-        } elseif (!$geo instanceof Geo) {
+        } elseif (!is_null($geo) && !$geo instanceof Geo) {
             $className = get_class($geo);
             throw new \InvalidArgumentException(
                 "The parameter 'geo' must be a string or an instance of " . Geo::class