diff --git a/pkgs/tools/networking/aircrack-ng/default.nix b/pkgs/tools/networking/aircrack-ng/default.nix
index 4fb101d3609f..1cc91f256604 100644
--- a/pkgs/tools/networking/aircrack-ng/default.nix
+++ b/pkgs/tools/networking/aircrack-ng/default.nix
@@ -20,6 +20,6 @@ stdenv.mkDerivation rec {
     homepage = http://www.aircrack-ng.org/;
     license = "GPL2+";
     maintainers = [ maintainers.iElectric maintainers.viric maintainers.garbas maintainers.chaoflow ];
-    platform = platforms.linux;
+    platforms = platforms.linux;
   };
 }
diff --git a/pkgs/tools/package-management/checkinstall/default.nix b/pkgs/tools/package-management/checkinstall/default.nix
index f3153100008f..2fbf5282ee12 100644
--- a/pkgs/tools/package-management/checkinstall/default.nix
+++ b/pkgs/tools/package-management/checkinstall/default.nix
@@ -60,6 +60,6 @@ stdenv.mkDerivation {
     homepage = http://checkinstall.izto.org/;
     description = "A tool for automatically generating Slackware, RPM or Debian packages when doing `make install'";
     maintainers = [ stdenv.lib.maintainers.eelco ];
-    platform = stdenv.lib.platforms.linux;
+    platforms = stdenv.lib.platforms.linux;
   };
 }