diff --git a/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php b/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php
index 0923cc6..d85ec13 100644
--- a/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php
+++ b/tests/unit/Transformer/CyanMagentaYellowKeyTransformerTest.php
@@ -151,9 +151,9 @@ class CyanMagentaYellowKeyTransformerTest extends Unit
 
         $color = $transformer->toCyanMagentaYellowKey();
 
-        $this->assertEquals($rgb['cyan'], $color->getCyan());
-        $this->assertEquals($rgb['magenta'], $color->getMagenta());
-        $this->assertEquals($rgb['yellow'], $color->getYellow());
-        $this->assertEquals($rgb['key'], $color->getKey());
+        $this->assertEquals($cmyk['cyan'], $color->getCyan());
+        $this->assertEquals($cmyk['magenta'], $color->getMagenta());
+        $this->assertEquals($cmyk['yellow'], $color->getYellow());
+        $this->assertEquals($cmyk['key'], $color->getKey());
     }
 }