diff --git a/example/form-urlencoded/consumer/src/Service/HttpClientService.php b/example/form-urlencoded/consumer/src/Service/HttpClientService.php
index 251deeb2..6c02e51d 100644
--- a/example/form-urlencoded/consumer/src/Service/HttpClientService.php
+++ b/example/form-urlencoded/consumer/src/Service/HttpClientService.php
@@ -36,6 +36,7 @@ public function createUser(): string
                 '?' => 'question-mark',
                 '=' => 'equals-sign',
             ]) .
+            '&=first&=second&=third' .
             '&roles[]=User&roles[]=Manager' .
             '&orders[]=&orders[]=ASC&orders[]=DESC',
             'headers' => [
diff --git a/example/form-urlencoded/consumer/tests/Service/HttpClientServiceTest.php b/example/form-urlencoded/consumer/tests/Service/HttpClientServiceTest.php
index 5201690b..83ec21b6 100644
--- a/example/form-urlencoded/consumer/tests/Service/HttpClientServiceTest.php
+++ b/example/form-urlencoded/consumer/tests/Service/HttpClientServiceTest.php
@@ -38,13 +38,15 @@ public function testGetMovies()
                             $matcher->equal('ASC'),
                             $matcher->equal(''),
                         ]),
+                        // Empty string keys are supported
+                        '' => ['first', 'second', 'third'],
                         // Null, boolean and object values are not supported, so the values and matchers will be ignored
                         'null' => $matcher->nullValue(),
                         'boolean' => $matcher->booleanV3(true),
                         'object' => $matcher->like([
                             'key' => $matcher->string('value')
                         ]),
-                        // special characters
+                        // special characters are encoded
                         'ampersand' => $matcher->equal('&'),
                         'slash' => '/',
                         'question-mark' => '?',
diff --git a/example/form-urlencoded/pacts/formUrlEncodedConsumer-formUrlEncodedProvider.json b/example/form-urlencoded/pacts/formUrlEncodedConsumer-formUrlEncodedProvider.json
index 03a76f7d..d817ed4c 100644
--- a/example/form-urlencoded/pacts/formUrlEncodedConsumer-formUrlEncodedProvider.json
+++ b/example/form-urlencoded/pacts/formUrlEncodedConsumer-formUrlEncodedProvider.json
@@ -11,7 +11,7 @@
         }
       ],
       "request": {
-        "body": "%26=ampersand&%2F=slash&%3D=equals-sign&%3F=question-mark&age=27&agree=false&ampersand=%26&email=user%40email.test&empty=&equals-sign=%3D&fullname=User+name&orders%5B%5D=DESC&orders%5B%5D=ASC&orders%5B%5D=&password=user%40password111&question-mark=%3F&roles%5B%5D=User&slash=%2F",
+        "body": "=first&=second&=third&%26=ampersand&%2F=slash&%3D=equals-sign&%3F=question-mark&age=27&agree=false&ampersand=%26&email=user%40email.test&empty=&equals-sign=%3D&fullname=User+name&orders%5B%5D=DESC&orders%5B%5D=ASC&orders%5B%5D=&password=user%40password111&question-mark=%3F&roles%5B%5D=User&slash=%2F",
         "headers": {
           "Accept": "application/x-www-form-urlencoded",
           "Content-Type": "application/x-www-form-urlencoded"