diff --git a/pkgs/os-specific/linux/i7z/default.nix b/pkgs/os-specific/linux/i7z/default.nix
index c6e06bf8527..ac5f9fc5ba3 100644
--- a/pkgs/os-specific/linux/i7z/default.nix
+++ b/pkgs/os-specific/linux/i7z/default.nix
@@ -1,5 +1,5 @@
-{ stdenv, lib, fetchFromGitHub, ncurses
-, withGui ? false, qt4 ? null }:
+{ stdenv, lib, fetchFromGitHub, fetchpatch, ncurses
+, withGui ? false, qtbase }:
 
 stdenv.mkDerivation rec {
   name = "i7z-${version}";
@@ -12,7 +12,23 @@ stdenv.mkDerivation rec {
     sha256 = "0l8wz0ffb27nkwchc606js652spk8masy3kjmzh7ygipwsary5ds";
   };
 
-  buildInputs = [ ncurses ] ++ lib.optional withGui qt4;
+  buildInputs = [ ncurses ] ++ lib.optional withGui qtbase;
+
+  patches = [
+    (fetchpatch {
+      url = "https://salsa.debian.org/debian/i7z/raw/ad1359764ee7a860a02e0c972f40339058fa9369/debian/patches/fix-insecure-tempfile.patch";
+      sha256 = "0ifg06xjw14y4fnzzgkhqm4sv9mcdzgi8m2wffq9z8b1r0znya3s";
+    })
+    (fetchpatch {
+      url = "https://salsa.debian.org/debian/i7z/raw/ad1359764ee7a860a02e0c972f40339058fa9369/debian/patches/nehalem.patch";
+      sha256 = "1ys6sgm01jkqb6d4y7qc3h89dzph8jjjcfya5c5jcm7dkxlzjq8a";
+    })
+    (fetchpatch {
+      url = "https://salsa.debian.org/debian/i7z/raw/ad1359764ee7a860a02e0c972f40339058fa9369/debian/patches/hyphen-used-as-minus-sign.patch";
+      sha256 = "1ji2qvdyq0594cpqz0dlsfggvw3rm63sygh0jxvwjgxpnhykhg1p";
+    })
+    ./qt5.patch
+  ];
 
   enableParallelBuilding = true;
 
diff --git a/pkgs/os-specific/linux/i7z/qt5.patch b/pkgs/os-specific/linux/i7z/qt5.patch
new file mode 100644
index 00000000000..9e9b162d9e8
--- /dev/null
+++ b/pkgs/os-specific/linux/i7z/qt5.patch
@@ -0,0 +1,13 @@
+diff -Naur a/GUI/i7z_GUI.pro b/GUI/i7z_GUI.pro
+--- a/GUI/i7z_GUI.pro	2013-10-12 21:59:19.000000000 +0100
++++ b/GUI/i7z_GUI.pro	2016-11-05 13:54:30.118655672 +0000
+@@ -3,7 +3,8 @@
+ ######################################################################
+ 
+ TEMPLATE = app
+-TARGET = 
++TARGET = i7z_GUI
++QT += widgets
+ DEPENDPATH += .
+ INCLUDEPATH += .
+ CONFIG += debug
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index b3308817473..57633b0ae6d 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -13900,7 +13900,7 @@ with pkgs;
 
   hwdata = callPackage ../os-specific/linux/hwdata { };
 
-  i7z = callPackage ../os-specific/linux/i7z { };
+  i7z = qt5.callPackage ../os-specific/linux/i7z { };
 
   pcm = callPackage ../os-specific/linux/pcm { };