diff --git a/src/HttpClient.php b/src/HttpClient.php
index a005542..75f19ff 100644
--- a/src/HttpClient.php
+++ b/src/HttpClient.php
@@ -122,7 +122,7 @@ public function doRequest(
         array $headers = [],
         $ttl = CacheDurationsEnum::DURATION_10_MIN
     ): ResponseInterface {
-        if (strpos($uri, $this->apiUrl) !== 0) {
+        if ( ! empty($this->apiUrl) && strpos($uri, $this->apiUrl) !== 0) {
             $uri = $this->apiUrl . $uri;
         }