diff --git a/src/EncodedImage.php b/src/EncodedImage.php
index b2383b215..ffe210078 100644
--- a/src/EncodedImage.php
+++ b/src/EncodedImage.php
@@ -59,7 +59,7 @@ public function toDataUri(): string
     public function __debugInfo(): array
     {
         return [
-            'mimetype' => $this->mimetype(),
+            'mediaType' => $this->mediaType(),
             'size' => $this->size(),
         ];
     }
diff --git a/tests/Unit/EncodedImageTest.php b/tests/Unit/EncodedImageTest.php
index c430dae64..b35726812 100644
--- a/tests/Unit/EncodedImageTest.php
+++ b/tests/Unit/EncodedImageTest.php
@@ -61,7 +61,7 @@ public function testMimetype(): void
     public function testDebugInfo(): void
     {
         $info = (new EncodedImage('foo', 'image/png'))->__debugInfo();
-        $this->assertEquals('image/png', $info['mimetype']);
+        $this->assertEquals('image/png', $info['mediaType']);
         $this->assertEquals(3, $info['size']);
     }
 }