diff --git a/pkgs/applications/virtualization/virtualbox/default.nix b/pkgs/applications/virtualization/virtualbox/default.nix
index 3af9796136fb..e42917032111 100644
--- a/pkgs/applications/virtualization/virtualbox/default.nix
+++ b/pkgs/applications/virtualization/virtualbox/default.nix
@@ -10,7 +10,7 @@ with stdenv.lib;
 
 let
 
-  version = "4.2.0";
+  version = "4.2.2";
 
   forEachModule = action: ''
     for mod in \
@@ -34,7 +34,7 @@ in stdenv.mkDerivation {
 
   src = fetchurl {
     url = "http://download.virtualbox.org/virtualbox/${version}/VirtualBox-${version}.tar.bz2";
-    sha256 = "895426ecac371bef4c070e8bcc9306f0c57dcbd6be25188d915b63ddde6f49e6";
+    sha256 = "943daa13694605d5d0a23ffef27c398b5e72ada669de89bad4b98f000f029700";
   };
 
   buildInputs =
@@ -44,7 +44,9 @@ in stdenv.mkDerivation {
     ++ optional javaBindings jdk
     ++ optional pythonBindings python;
 
-  patchPhase = ''
+  patches = [ ./remove_fa_ir.patch ];
+
+  postPatch = ''
     set -x
     MODULES_BUILD_DIR=`echo ${kernel}/lib/modules/*/build`
     sed -e 's@/lib/modules/`uname -r`/build@'$MODULES_BUILD_DIR@ \
diff --git a/pkgs/applications/virtualization/virtualbox/remove_fa_ir.patch b/pkgs/applications/virtualization/virtualbox/remove_fa_ir.patch
new file mode 100644
index 000000000000..0d7a83421927
--- /dev/null
+++ b/pkgs/applications/virtualization/virtualbox/remove_fa_ir.patch
@@ -0,0 +1,30 @@
+This patch is for VirtualBox-4.2.2, to temporarily remove references to the
+fa_IR language file from the source tree, as it somehow got lost during tarball
+creation. For more information on this subject please have a look at:
+
+https://www.virtualbox.org/pipermail/vbox-dev/2012-October/005408.html
+
+diff --git a/src/VBox/Frontends/VirtualBox/VBoxUI.pro b/src/VBox/Frontends/VirtualBox/VBoxUI.pro
+index ffeb410..37ac56a 100644
+--- a/src/VBox/Frontends/VirtualBox/VBoxUI.pro
++++ b/src/VBox/Frontends/VirtualBox/VBoxUI.pro
+@@ -63,7 +63,6 @@ TRANSLATIONS = \
+ 	nls/VirtualBox_es.ts \
+ 	nls/VirtualBox_eu.ts \
+ 	nls/VirtualBox_fi.ts \
+-	nls/VirtualBox_fa_IR.ts \
+ 	nls/VirtualBox_fr.ts \
+ 	nls/VirtualBox_gl_ES.ts \
+ 	nls/VirtualBox_hu.ts \
+diff --git a/src/VBox/Frontends/VirtualBox/nls/ApprovedLanguages.kmk b/src/VBox/Frontends/VirtualBox/nls/ApprovedLanguages.kmk
+index 66f0ec3..2fc19b9 100644
+--- a/src/VBox/Frontends/VirtualBox/nls/ApprovedLanguages.kmk
++++ b/src/VBox/Frontends/VirtualBox/nls/ApprovedLanguages.kmk
+@@ -23,7 +23,6 @@ VBOX_APPROVED_GUI_LANGUAGES := \
+ 	de    \
+ 	en    \
+ 	es    \
+-	fa_IR \
+ 	hu    \
+ 	it    \
+ 	ja    \