diff --git a/index.php b/index.php
index 970b8d0..8653d17 100644
--- a/index.php
+++ b/index.php
@@ -60,7 +60,7 @@ $where = [];
 $validations = [
     "osmid" => "/[0-9]+/",
     "typeid" => "/[1-9]+/",
-    "type" => "/[A-Z]+_[A-Z]+",
+    "type" => "/[A-Z]+_[A-Z]+/",
     "latitude" => "/[0-9]{0,3}\.[0-9]{2,10}/",
     "longitude" => "/[0-9]{0,3}\.[0-9]{2,10}/",
     "radius_km" => "/[0-9]+/",