diff --git a/pkgs/applications/radio/kalibrate-rtl/default.nix b/pkgs/applications/radio/kalibrate-rtl/default.nix
index 53b58adb9972..4fe9ad086781 100644
--- a/pkgs/applications/radio/kalibrate-rtl/default.nix
+++ b/pkgs/applications/radio/kalibrate-rtl/default.nix
@@ -1,18 +1,18 @@
-{ lib, stdenv, fetchgit, autoreconfHook, pkg-config, fftw, rtl-sdr, libusb1 }:
+{ lib, stdenv, fetchFromGitHub, autoreconfHook, pkg-config, fftw, rtl-sdr, libusb1 }:
 
 stdenv.mkDerivation {
   pname = "kalibrate-rtl";
-  version = "2013-12-14";
+  version = "unstable-2013-12-14";
 
-  # There are no tags/releases, so use the latest commit from git master.
-  # Currently, the latest commit is from 2013-12-14.
-  src = fetchgit {
-    url = "https://github.com/steve-m/kalibrate-rtl.git";
+  src = fetchFromGitHub {
+    owner = "steve-m";
+    repo = "kalibrate-rtl";
     rev = "aae11c8a8dc79692a94ccfee39ba01e8c8c05d38";
     sha256 = "1spbfflkqnw9s8317ppsf7b1nnkicqsmaqsnz1zf8i49ix70i6kn";
   };
 
   nativeBuildInputs = [ autoreconfHook pkg-config ];
+
   buildInputs = [ fftw rtl-sdr libusb1 ];
 
   meta = with lib; {
@@ -27,6 +27,6 @@ stdenv.mkDerivation {
     homepage = "https://github.com/steve-m/kalibrate-rtl";
     license = licenses.bsd2;
     platforms = platforms.linux;
-    maintainers = [ maintainers.bjornfor ];
+    maintainers = with maintainers; [ bjornfor ];
   };
 }