diff --git a/lib/LongitudeOne/Geo/WKB/Reader.php b/lib/LongitudeOne/Geo/WKB/Reader.php
index 07a80c4..df8a5c6 100644
--- a/lib/LongitudeOne/Geo/WKB/Reader.php
+++ b/lib/LongitudeOne/Geo/WKB/Reader.php
@@ -68,9 +68,8 @@ public function load(string $input): void
         $this->position = 0;
         $this->previous = 0;
 
-        if (ord($input) < 32) {
+        if (ord($input[0]) < 32) {
             $this->input = $input;
-
             return;
         }