diff --git a/libraries/HTTPClient/src/HTTPClient.cpp b/libraries/HTTPClient/src/HTTPClient.cpp
index e7a8ecb8f4f..cc0a31e2b6b 100644
--- a/libraries/HTTPClient/src/HTTPClient.cpp
+++ b/libraries/HTTPClient/src/HTTPClient.cpp
@@ -261,6 +261,10 @@ bool HTTPClient::beginInternal(String url, const char* expectedProtocol)
     url.remove(0, (index + 3)); // remove http:// or https://
 
     index = url.indexOf('/');
+    if (index == -1) {
+        index = url.length();
+        url += '/';
+    }
     String host = url.substring(0, index);
     url.remove(0, index); // remove host part