diff --git a/src/PhpPact/Consumer/Matcher/Formatters/PluginFormatter.php b/src/PhpPact/Consumer/Matcher/Formatters/PluginFormatter.php
index 4552bacf..a9ca62f9 100644
--- a/src/PhpPact/Consumer/Matcher/Formatters/PluginFormatter.php
+++ b/src/PhpPact/Consumer/Matcher/Formatters/PluginFormatter.php
@@ -28,9 +28,6 @@ public function format(MatcherInterface $matcher): string
             throw new GeneratorNotRequiredException('Generator is not support in plugin');
         }
 
-        if ($matcher instanceof MatchingField) {
-            return $this->formatMatchingFieldMatcher($matcher);
-        }
         if ($matcher instanceof NotEmpty) {
             return $this->formatNotEmptyMatcher($matcher);
         }
@@ -51,7 +48,7 @@ public function format(MatcherInterface $matcher): string
         throw new MatcherNotSupportedException(sprintf("Matcher '%s' is not supported by plugin", $matcher->getType()));
     }
 
-    private function formatMatchingFieldMatcher(MatchingField $matcher): string
+    public function formatMatchingFieldMatcher(MatchingField $matcher): string
     {
         return sprintf("matching($%s)", $this->normalize($matcher->getFieldName()));
     }
diff --git a/src/PhpPact/Consumer/Matcher/Matchers/MatchingField.php b/src/PhpPact/Consumer/Matcher/Matchers/MatchingField.php
index e2c11833..c3ebe669 100644
--- a/src/PhpPact/Consumer/Matcher/Matchers/MatchingField.php
+++ b/src/PhpPact/Consumer/Matcher/Matchers/MatchingField.php
@@ -3,6 +3,7 @@
 namespace PhpPact\Consumer\Matcher\Matchers;
 
 use PhpPact\Consumer\Matcher\Exception\MatcherNotSupportedException;
+use PhpPact\Consumer\Matcher\Formatters\PluginFormatter;
 
 class MatchingField extends AbstractMatcher
 {
@@ -34,11 +35,11 @@ protected function getAttributesData(): array
 
     public function jsonSerialize(): string
     {
-        $result = parent::jsonSerialize();
-        if (is_array($result)) {
+        $formatter = $this->getFormatter();
+        if (!$formatter instanceof PluginFormatter) {
             throw new MatcherNotSupportedException(self::MATCHER_NOT_SUPPORTED_EXCEPTION_MESSAGE);
         }
 
-        return $result;
+        return $formatter->formatMatchingFieldMatcher($this);
     }
 }
diff --git a/tests/PhpPact/Consumer/Matcher/Formatters/PluginFormatterTest.php b/tests/PhpPact/Consumer/Matcher/Formatters/PluginFormatterTest.php
index bd4080b4..5bb15ca0 100644
--- a/tests/PhpPact/Consumer/Matcher/Formatters/PluginFormatterTest.php
+++ b/tests/PhpPact/Consumer/Matcher/Formatters/PluginFormatterTest.php
@@ -32,14 +32,13 @@
 use PhpPact\Consumer\Matcher\Matchers\Time;
 use PhpPact\Consumer\Matcher\Matchers\Type;
 use PhpPact\Consumer\Matcher\Matchers\Values;
-use PhpPact\Consumer\Matcher\Model\FormatterInterface;
 use PhpPact\Consumer\Matcher\Model\MatcherInterface;
 use PHPUnit\Framework\Attributes\TestWith;
 use PHPUnit\Framework\TestCase;
 
 class PluginFormatterTest extends TestCase
 {
-    private FormatterInterface $formatter;
+    private PluginFormatter $formatter;
 
     protected function setUp(): void
     {
@@ -78,6 +77,7 @@ public function testInvalidValue(MatcherInterface $matcher, string $type): void
         $this->formatter->format($matcher);
     }
 
+    #[TestWith([new MatchingField('product')])]
     #[TestWith([new Values([1, 2, 3])])]
     #[TestWith([new ArrayContains([new Equality(1)])])]
     #[TestWith([new StatusCode('clientError', 405)])]
@@ -88,7 +88,6 @@ public function testNotSupportedMatcher(MatcherInterface $matcher): void
         $this->formatter->format($matcher);
     }
 
-    #[TestWith([new MatchingField('product'), '"matching($\'product\')"'])]
     #[TestWith([new NotEmpty('test'), '"notEmpty(\'test\')"'])]
     #[TestWith([new EachKey(["doesn't matter"], [new Regex('\$(\.\w+)+', '$.test.one')]), '"eachKey(matching(regex, \'\\\\$(\\\\.\\\\w+)+\', \'$.test.one\'))"'])]
     #[TestWith([new EachValue(["doesn't matter"], [new Type(100)]), '"eachValue(matching(type, 100))"'])]
@@ -110,4 +109,12 @@ public function testFormat(MatcherInterface $matcher, string $json): void
     {
         $this->assertSame($json, json_encode($this->formatter->format($matcher)));
     }
+
+    public function testFormatMatchingFieldMatcher(): void
+    {
+        $this->assertSame(
+            "matching($'product')",
+            $this->formatter->formatMatchingFieldMatcher(new MatchingField('product'))
+        );
+    }
 }