diff --git a/pkgs/applications/video/kdenlive/default.nix b/pkgs/applications/video/kdenlive/default.nix
index 5edae1b3e720..6db6e630d325 100644
--- a/pkgs/applications/video/kdenlive/default.nix
+++ b/pkgs/applications/video/kdenlive/default.nix
@@ -1,20 +1,19 @@
-{stdenv, fetchurl, lib, cmake, qt4, perl, kdelibs, automoc4, phonon, mlt, gettext,
-shared_mime_info, soprano}:
+{ stdenv, fetchurl, lib, cmake, qt4, perl, kdelibs, automoc4, phonon, mlt, gettext
+, qimageblitz, qjson, shared_mime_info, soprano }:
+
+stdenv.mkDerivation rec {
+  name = "kdenlive-${version}";
+  version = "0.8";
 
-stdenv.mkDerivation {
-  name = "kdenlive-0.7.8";
   src = fetchurl {
-    url = mirror://sourceforge/kdenlive/kdenlive-0.7.8.tar.gz;
-    sha256 = "10bwmhh3kzdbq1nzq8s5ln7ydrzg41d1rihj5kdmf5hb91az8mvx";
+    url = "mirror://sourceforge/kdenlive/${name}.tar.gz";
+    sha256 = "18e3390c9eb7124af5cd43819c679374aec46dcaf1fc5cdb43918db470c1076f";
   };
 
-  prePatch = ''
-    # For Qt47 compatibility.
-    sed -i 's@class QImage@#include <QImage>@' src/colorcorrection/vectorscopegenerator.h
-  '';
+  patches = [ ./kdenlive-newmlt.patch ];
 
   buildInputs = [ cmake qt4 perl kdelibs automoc4 phonon mlt gettext
-    shared_mime_info soprano ];
+    qimageblitz qjson shared_mime_info soprano ];
 
   meta = {
     description = "Free and open source video editor";
diff --git a/pkgs/applications/video/kdenlive/kdenlive-newmlt.patch b/pkgs/applications/video/kdenlive/kdenlive-newmlt.patch
new file mode 100644
index 000000000000..b3a772a7ac6e
--- /dev/null
+++ b/pkgs/applications/video/kdenlive/kdenlive-newmlt.patch
@@ -0,0 +1,70 @@
+From http://kdenlive.org/forum/cant-start-kdnlive-sdl-module-missing-mlt
+
+Kdenlive 0.8 tries to detect mlt by reading from stderr, but between
+mlt 0.7.2 and 0.7.4 mlt this has changed from stderr to stdout.
+===================================================================
+--- kdenlive-0.8/src.orig/wizard.cpp	2011-04-26 21:44:22.000000000 +0200
++++ kdenlive-0.8/src/wizard.cpp	2011-07-21 18:22:18.470831892 +0200
+@@ -214,7 +214,7 @@
+         button(QWizard::NextButton)->setEnabled(false);
+     } else {
+         checkProcess.waitForFinished();
+-        QByteArray result = checkProcess.readAllStandardError();
++        QByteArray result = checkProcess.readAllStandardOutput();
+
+         // Check MLT avformat module
+         QTreeWidgetItem *avformatItem = new QTreeWidgetItem(m_mltCheck.programList, QStringList() << QString() << i18n("Avformat module (FFmpeg)"));
+@@ -246,7 +246,7 @@
+                     kDebug() << "// Error querying MLT's version";
+                 } else {
+                     checkProcess.waitForFinished();
+-                    mltVersion = checkProcess.readAllStandardError();
++                    mltVersion = checkProcess.readAllStandardOutput();
+                     mltVersion = mltVersion.section('\n', 0, 0).simplified();
+                     mltVersion = mltVersion.section(' ', -1).simplified();
+                     version = 1000 * mltVersion.section('.', 0, 0).toInt() + 100 * mltVersion.section('.', 1, 1).toInt() + mltVersion.section('.', 2, 2).toInt();
+@@ -275,7 +275,7 @@
+                     kDebug() << "// Error parsing MLT's avformat codecs";
+                 } else {
+                     checkProcess2.waitForFinished();
+-                    QByteArray codecList = checkProcess2.readAllStandardError();
++                    QByteArray codecList = checkProcess2.readAllStandardOutput();
+                     QString acodecList(codecList);
+                     QStringList result;
+                     QStringList alist = acodecList.split('\n', QString::SkipEmptyParts);
+@@ -292,7 +292,7 @@
+                     kDebug() << "// Error parsing MLT's avformat codecs";
+                 } else {
+                     checkProcess2.waitForFinished();
+-                    QByteArray codecList = checkProcess2.readAllStandardError();
++                    QByteArray codecList = checkProcess2.readAllStandardOutput();
+                     QString vcodecList(codecList);
+                     QStringList result;
+                     QStringList vlist = vcodecList.split('\n', QString::SkipEmptyParts);
+@@ -309,7 +309,7 @@
+                     kDebug() << "// Error parsing MLT's avformat codecs";
+                 } else {
+                     checkProcess2.waitForFinished();
+-                    QByteArray codecList = checkProcess2.readAllStandardError();
++                    QByteArray codecList = checkProcess2.readAllStandardOutput();
+                     QString vcodecList(codecList);
+                     QStringList result;
+                     QStringList vlist = vcodecList.split('\n', QString::SkipEmptyParts);
+@@ -606,7 +606,7 @@
+
+     checkProcess.waitForFinished();
+
+-    QByteArray result = checkProcess.readAllStandardError();
++    QByteArray result = checkProcess.readAllStandardOutput();
+     if (!result.contains("- avformat")) errorMessage.append(i18n("MLT's avformat (FFMPEG) module not found. Please check your FFMPEG and MLT install. Kdenlive will not work until this issue is fixed.") + "\n");*/
+
+     QProcess checkProcess2;
+@@ -616,7 +616,7 @@
+
+     checkProcess2.waitForFinished();
+
+-    QByteArray result = checkProcess2.readAllStandardError();
++    QByteArray result = checkProcess2.readAllStandardOutput();
+     if (!result.contains("sdl") || !result.contains("sdl_preview")) errorMessage.append(i18n("MLT's SDL module not found. Please check your MLT install. Kdenlive will not work until this issue is fixed.") + '\n');
+
+     if (!errorMessage.isEmpty()) {