diff --git a/src/Drivers/Imagick/Modifiers/ColorizeModifier.php b/src/Drivers/Imagick/Modifiers/ColorizeModifier.php
index 3cf3302b..e076df1e 100644
--- a/src/Drivers/Imagick/Modifiers/ColorizeModifier.php
+++ b/src/Drivers/Imagick/Modifiers/ColorizeModifier.php
@@ -35,6 +35,6 @@ class ColorizeModifier implements ModifierInterface
 
     private function normalizeLevel(int $level): int
     {
-        return $level > 0 ? $level / 5 : ($level + 100) / 100;
+        return $level > 0 ? round($level / 5) : round(($level + 100) / 100);
     }
 }