diff --git a/pkgs/applications/audio/morituri/default.nix b/pkgs/applications/audio/morituri/default.nix
index 0ab0d24c2726..44d10957ca64 100644
--- a/pkgs/applications/audio/morituri/default.nix
+++ b/pkgs/applications/audio/morituri/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchgit, pythonPackages, cdparanoia, cdrdao
-, gst_python, gst_plugins_base, gst_plugins_good
+, gst-python, gst_plugins_base, gst_plugins_good
 , utillinux, makeWrapper, substituteAll, autoreconfHook }:
 
 let
@@ -17,7 +17,7 @@ in stdenv.mkDerivation rec {
   };
 
   pythonPath = with pythonPackages; [
-    pygobject2 gst_python musicbrainzngs
+    pygobject2 gst-python musicbrainzngs
     pycdio pyxdg setuptools
     CDDB
   ];
diff --git a/pkgs/applications/audio/quodlibet/default.nix b/pkgs/applications/audio/quodlibet/default.nix
index 0546f9a0ad2e..1c6bd7783eb4 100644
--- a/pkgs/applications/audio/quodlibet/default.nix
+++ b/pkgs/applications/audio/quodlibet/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, python2Packages, intltool
-, gst_python, withGstPlugins ? false, gst_plugins_base ? null
+, gst-python, withGstPlugins ? false, gst_plugins_base ? null
 , gst_plugins_good ? null, gst_plugins_ugly ? null, gst_plugins_bad ? null }:
 
 assert withGstPlugins -> gst_plugins_base != null
@@ -48,7 +48,7 @@ in buildPythonApplication {
   ];
 
   propagatedBuildInputs = [
-    mutagen pygtk pygobject2 dbus-python gst_python intltool
+    mutagen pygtk pygobject2 dbus-python gst-python intltool
   ];
 
   postInstall = stdenv.lib.optionalString withGstPlugins ''
diff --git a/pkgs/applications/video/miro/default.nix b/pkgs/applications/video/miro/default.nix
index 0652ac7e6642..b0a793dc1056 100644
--- a/pkgs/applications/video/miro/default.nix
+++ b/pkgs/applications/video/miro/default.nix
@@ -2,7 +2,7 @@
 , pythonPackages, pyrex096, ffmpeg, boost, glib, gtk2, webkitgtk2, libsoup
 , taglib, sqlite
 , libtorrentRasterbar, glib_networking, gsettings_desktop_schemas
-, gst_python, gst_plugins_base, gst_plugins_good, gst_ffmpeg
+, gst-python, gst_plugins_base, gst_plugins_good, gst_ffmpeg
 , enableBonjour ? false, avahi ? null
 }:
 
@@ -77,7 +77,7 @@ in buildPythonApplication rec {
   propagatedBuildInputs = with pythonPackages; [
     pygobject2 pygtk pycurl mutagen pycairo dbus-python
     pywebkitgtk] ++ [ libtorrentRasterbar
-    gst_python gst_plugins_base gst_plugins_good gst_ffmpeg
+    gst-python gst_plugins_base gst_plugins_good gst_ffmpeg
   ] ++ optional enableBonjour avahi;
 
   meta = {
diff --git a/pkgs/development/libraries/farsight2/default.nix b/pkgs/development/libraries/farsight2/default.nix
index b7a17c82bebd..da6c799ae8b9 100644
--- a/pkgs/development/libraries/farsight2/default.nix
+++ b/pkgs/development/libraries/farsight2/default.nix
@@ -1,5 +1,5 @@
 { stdenv, fetchurl, libnice, pkgconfig, python2Packages, gstreamer, gst_plugins_base
-, gst_python, gupnp_igd }:
+, gst-python, gupnp_igd }:
 
 let
   inherit (python2Packages) python pygobject2;
@@ -11,7 +11,7 @@ in stdenv.mkDerivation rec {
     sha256 = "16qz4x14rdycm4nrn5wx6k2y22fzrazsbmihrxdwafx9cyf23kjm";
   };
 
-  buildInputs = [ libnice python pygobject2 gst_python gupnp_igd ];
+  buildInputs = [ libnice python pygobject2 gst-python gupnp_igd ];
 
   nativeBuildInputs = [ pkgconfig ];
 
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 841eb75e905f..97a93c17ac43 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -52,6 +52,7 @@ doNotDisplayTwice rec {
   git-hub = gitAndTools.git-hub; # added 2016-04-29
   googleAuthenticator = google-authenticator; # added 2016-10-16
   grantlee5 = qt5.grantlee;  # added 2015-12-19
+  gst_python = gst-python;  # added 2017-02
   gupnptools = gupnp-tools;  # added 2015-12-19
   gnustep-make = gnustep.make; # added 2016-7-6
   htmlTidy = html-tidy;  # added 2014-12-06
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 6de7c892d879..bdc712153763 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -7518,7 +7518,7 @@ with pkgs;
   });
 
   gst_all = {
-    inherit (pkgs) gstreamer gnonlin gst_python qt_gstreamer;
+    inherit (pkgs) gstreamer gnonlin gst-python qt_gstreamer;
     gstPluginsBase = pkgs.gst_plugins_base;
     gstPluginsBad = pkgs.gst_plugins_bad;
     gstPluginsGood = pkgs.gst_plugins_good;
@@ -7530,8 +7530,7 @@ with pkgs;
     gst-plugins-bad = pkgs.gst_plugins_bad;
     gst-plugins-good = pkgs.gst_plugins_good;
     gst-plugins-ugly = pkgs.gst_plugins_ugly;
-    gst-ffmpeg = pkgs.gst_ffmpeg;
-    gst-python = pkgs.gst_python;
+    gst-ffmpeg = pkgs.gst-ffmpeg;
   };
 
   gstreamer = callPackage ../development/libraries/gstreamer/legacy/gstreamer {
@@ -7552,7 +7551,7 @@ with pkgs;
     ffmpeg = ffmpeg_0;
   };
 
-  gst_python = callPackage ../development/libraries/gstreamer/legacy/gst-python {};
+  gst-python = callPackage ../development/libraries/gstreamer/legacy/gst-python {};
 
   gstreamermm = callPackage ../development/libraries/gstreamer/legacy/gstreamermm { };