diff --git a/src/Gregwar/Captcha/CaptchaBuilder.php b/src/Gregwar/Captcha/CaptchaBuilder.php
index 4d53639..003fe85 100644
--- a/src/Gregwar/Captcha/CaptchaBuilder.php
+++ b/src/Gregwar/Captcha/CaptchaBuilder.php
@@ -99,6 +99,13 @@ class CaptchaBuilder implements CaptchaBuilderInterface
      */
     protected $ignoreAllEffects = false;
 
+    /**
+     * Ignore post effects
+     *
+     * @var bool
+     */
+    protected $ignorePostEffects = false;
+
     /**
      * Allowed image types for the background images
      *
@@ -254,6 +261,19 @@ public function setIgnoreAllEffects($ignoreAllEffects)
         return $this;
     }
 
+    /**
+     * Sets the ignorePostEffects value
+     *
+     * @param bool $ignorePostEffects
+     * @return CaptchaBuilder
+     */
+    public function setIgnorePostEffects($ignorePostEffects)
+    {
+        $this->ignorePostEffects = $ignorePostEffects;
+
+        return $this;
+    }
+
     /**
      * Sets the list of background images to use (one image is randomly selected)
      */
@@ -481,7 +501,7 @@ public function build($width = 150, $height = 40, $font = null, $fingerprint = n
         }
 
         // Post effects
-        if (!$this->ignoreAllEffects) {
+        if (!$this->ignoreAllEffects && !$this->ignorePostEffects) {
             $this->postEffect($image);
         }