diff --git a/pkgs/applications/version-management/git-and-tools/tig/default.nix b/pkgs/applications/version-management/git-and-tools/tig/default.nix
index 23009efdbd54..fd9011130e34 100644
--- a/pkgs/applications/version-management/git-and-tools/tig/default.nix
+++ b/pkgs/applications/version-management/git-and-tools/tig/default.nix
@@ -26,6 +26,6 @@ stdenv.mkDerivation rec {
     description = "Text-mode interface for git";
     maintainers = with maintainers; [ garbas bjornfor iElectric ];
     license = licenses.gpl2;
-    platforms = platforms.linux;
+    platforms = platforms.unix;
   };
 }
diff --git a/pkgs/development/tools/build-managers/ninja/default.nix b/pkgs/development/tools/build-managers/ninja/default.nix
index b5c0b0a03dae..75c2da8a28de 100644
--- a/pkgs/development/tools/build-managers/ninja/default.nix
+++ b/pkgs/development/tools/build-managers/ninja/default.nix
@@ -36,7 +36,7 @@ stdenv.mkDerivation rec {
     '';
     homepage = http://martine.github.io/ninja/;
     license = licenses.asl20;
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     maintainers = [ maintainers.bjornfor ];
   };
 }
diff --git a/pkgs/development/tools/misc/global/default.nix b/pkgs/development/tools/misc/global/default.nix
index 4048d21c8f77..fdb5f72af830 100644
--- a/pkgs/development/tools/misc/global/default.nix
+++ b/pkgs/development/tools/misc/global/default.nix
@@ -42,6 +42,6 @@ stdenv.mkDerivation rec {
     homepage = http://www.gnu.org/software/global/;
 
     maintainers = [ stdenv.lib.maintainers.ludo ];
-    platforms = stdenv.lib.platforms.gnu;  # arbitrary choice
+    platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/tools/networking/iperf/default.nix b/pkgs/tools/networking/iperf/default.nix
index 2ee8a90cb4af..33d8ee2fd636 100644
--- a/pkgs/tools/networking/iperf/default.nix
+++ b/pkgs/tools/networking/iperf/default.nix
@@ -11,7 +11,7 @@ stdenv.mkDerivation rec {
   meta = with stdenv.lib; {
     homepage = "http://sourceforge.net/projects/iperf/"; 
     description = "Tool to measure IP bandwidth using UDP or TCP";
-    platforms = platforms.linux;
+    platforms = platforms.unix;
     license = "as-is";
   };
 }
diff --git a/pkgs/tools/networking/mosh/default.nix b/pkgs/tools/networking/mosh/default.nix
index 2708210af805..e781af7c235a 100644
--- a/pkgs/tools/networking/mosh/default.nix
+++ b/pkgs/tools/networking/mosh/default.nix
@@ -28,6 +28,6 @@ stdenv.mkDerivation rec {
     '';
     license = "GPLv3+";
     maintainers = with stdenv.lib.maintainers; [viric];
-    platforms = with stdenv.lib.platforms; linux;
+    platforms = stdenv.lib.platforms.unix;
   };
 }
diff --git a/pkgs/tools/networking/pdnsd/default.nix b/pkgs/tools/networking/pdnsd/default.nix
index 4b111475e696..14f57b61a2f1 100644
--- a/pkgs/tools/networking/pdnsd/default.nix
+++ b/pkgs/tools/networking/pdnsd/default.nix
@@ -16,7 +16,7 @@ stdenv.mkDerivation rec {
     description = "Permanent DNS caching";
     homepage = http://www.phys.uu.nl/~rombouts/pdnsd.html;
     license = "GPLv3+";
-    platforms = with stdenv.lib.platforms; linux;
+    platforms = stdenv.lib.platforms.unix;
     maintainers = with stdenv.lib.maintainers; [viric];
   };
 }
diff --git a/pkgs/tools/networking/socat/default.nix b/pkgs/tools/networking/socat/default.nix
index 7da82796b1cf..84ba2106a26a 100644
--- a/pkgs/tools/networking/socat/default.nix
+++ b/pkgs/tools/networking/socat/default.nix
@@ -14,7 +14,7 @@ stdenv.mkDerivation rec {
     description = "A utility for bidirectional data transfer between two independent data channels";
     homepage = http://www.dest-unreach.org/socat/;
     repositories.git = git://repo.or.cz/socat.git;
-    platforms = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.unix;
     license = stdenv.lib.licenses.gpl2;
     maintainers = stdenv.lib.maintainers.eelco;
   };