diff --git a/CImage.php b/CImage.php
index c4a0f63..a31c962 100644
--- a/CImage.php
+++ b/CImage.php
@@ -2404,12 +2404,13 @@ class CImage
      * @param string  $src      of image.
      * @param string  $dir      as base directory where images are.
      * @param string  $cache    as base directory where to store images.
+     * @param string  $iccFile  filename of colorprofile.
      * @param boolean $useCache or not, default to always use cache.
      *
      * @return string | boolean false if no conversion else the converted
      *                          filename.
      */
-    public function convert2sRGBColorSpace($src, $dir, $cache, $useCache = true)
+    public function convert2sRGBColorSpace($src, $dir, $cache, $iccFile, $useCache = true)
     {
         if ($this->verbose) {
             $this->log("# Converting image to sRGB colorspace.");
@@ -2450,10 +2451,8 @@ class CImage
             if ($colorspace != Imagick::COLORSPACE_SRGB || $hasICCProfile) {
                 $this->log(" Converting to sRGB.");
 
-                /*
-                $icc_rgb = file_get_contents('/path/to/icc/SomeRGBProfile.icc');
-                $image->profileImage('icc', $icc_rgb);
-                */
+                $sRGBicc = file_get_contents($iccFile);
+                $image->profileImage('icc', $sRGBicc);
                 
                 $image->transformImageColorspace(Imagick::COLORSPACE_SRGB);
                 $image->writeImage($this->cacheFileName);
diff --git a/REVISION.md b/REVISION.md
index 75aab55..69f6eae 100644
--- a/REVISION.md
+++ b/REVISION.md
@@ -5,10 +5,10 @@ Revision history
 [![Build Status](https://scrutinizer-ci.com/g/mosbth/cimage/badges/build.png?b=master)](https://scrutinizer-ci.com/g/mosbth/cimage/build-status/master)
 
 
-v0.7.7* (2015-10-21)
+v0.7.7* (2015-10-24)
 -------------------------------------
 
-* Added conversion to sRGB using option `?srgb`, partly working. #120. 
+* Added conversion to sRGB using option `?srgb`. #120. 
 * Change path in `webroot/htaccess` to make it work in current environment.
 
 
diff --git a/icc/sRGB_IEC61966-2-1_black_scaled.icc b/icc/sRGB_IEC61966-2-1_black_scaled.icc
new file mode 100644
index 0000000..a2c8645
Binary files /dev/null and b/icc/sRGB_IEC61966-2-1_black_scaled.icc differ
diff --git a/test/CImageSRGBTest.php b/test/CImageSRGBTest.php
index ba19f04..87f7128 100644
--- a/test/CImageSRGBTest.php
+++ b/test/CImageSRGBTest.php
@@ -7,7 +7,8 @@ class CImageSRGBTest extends \PHPUnit_Framework_TestCase
 {
     private $srgbDir = "srgb";
     private $cache;
-    
+    private $srgbColorProfile = __DIR__ . '/../icc/sRGB_IEC61966-2-1_black_scaled.icc';
+
     
     
     /**
@@ -37,8 +38,9 @@ class CImageSRGBTest extends \PHPUnit_Framework_TestCase
 
         $filename = $img->convert2sRGBColorSpace(
             'car.png', 
-            IMAGE_PATH, 
-            $this->cache
+            IMAGE_PATH,
+            $this->cache,
+            $this->srgbColorProfile
         );
 
         if (class_exists("Imagick")) {
@@ -62,7 +64,8 @@ class CImageSRGBTest extends \PHPUnit_Framework_TestCase
         $filename = $img->convert2sRGBColorSpace(
             'car.jpg', 
             IMAGE_PATH, 
-            $this->cache
+            $this->cache,
+            $this->srgbColorProfile
         );
 
         $this->assertFalse($filename);
diff --git a/webroot/img.php b/webroot/img.php
index f2f6fbf..14641bb 100644
--- a/webroot/img.php
+++ b/webroot/img.php
@@ -8,7 +8,7 @@
  *
  */
 
-$version = "v0.7.7* (2015-10-21)";
+$version = "v0.7.7* (2015-10-24)";
 
 
 
@@ -976,10 +976,12 @@ if ($dummyImage === true) {
  * Prepare a sRGB version of the image and use it as source image.
  */
 $srgbDirName = "/srgb";
-$srgbDir = getConfig('srgb_dir', $cachePath . $srgbDirName);
-$srgb    = getDefined('srgb', true, null);
+$srgbDir     = getConfig('srgb_dir', $cachePath . $srgbDirName);
+$srgbDefault = getConfig('srgb_default', false);
+$srgbColorProfile = getConfig('srgb_colorprofile', __DIR__ . '/../icc/sRGB_IEC61966-2-1_black_scaled.icc');
+$srgb = getDefined('srgb', true, null);
 
-if ($srgb) {
+if ($srgb || $srgbDefault) {
     
     if (!is_writable($srgbDir)) {
         if (is_writable($cachePath)) {
@@ -991,6 +993,7 @@ if ($srgb) {
         $srcImage, 
         $imagePath, 
         $srgbDir,
+        $srgbColorProfile,
         $useCache
     );
 
diff --git a/webroot/img/hamburger.jpg b/webroot/img/hamburger.jpg
new file mode 100644
index 0000000..9ded88e
Binary files /dev/null and b/webroot/img/hamburger.jpg differ
diff --git a/webroot/img_config.php b/webroot/img_config.php
index e84db44..ae555e4 100644
--- a/webroot/img_config.php
+++ b/webroot/img_config.php
@@ -122,6 +122,24 @@ return array(
 
 
 
+      /**
+       * Convert the image to srgb before processing. Saves the converted
+       * image in the sub cache dir. This option is default false but can
+       * be changed to default true to do this conversion for all images.
+       * This option requires PHP extension imagick and will silently fail
+       * if that is not installed.
+       *
+       * Default value:
+       *  srgb_dir:          $cachePath/srgb
+       *  srgb_default:      false
+       *  srgb_colorprofile: __DIR__ . '/../icc/sRGB_IEC61966-2-1_black_scaled.icc'
+       */
+       //'srgb_dir'  => __DIR__ . '/../cache/srgb/',
+       //'srgb_default' => false,
+       //'srgb_colorprofile' => __DIR__ . '/../icc/sRGB_IEC61966-2-1_black_scaled.icc',
+
+
+
       /**
        * A function (hook) can be called after img.php has processed all
        * configuration options and before processing the image using CImage.