diff --git a/pkgs/applications/networking/seafile-client/default.nix b/pkgs/applications/networking/seafile-client/default.nix
index 4ab0a9f8069..d24437aabb6 100644
--- a/pkgs/applications/networking/seafile-client/default.nix
+++ b/pkgs/applications/networking/seafile-client/default.nix
@@ -33,6 +33,7 @@ stdenv.mkDerivation rec
     homepage = "https://github.com/haiwen/seafile-clients";
     description = "Desktop client for Seafile, the Next-generation Open Source Cloud Storage";
     license = stdenv.lib.licenses.asl20;
+    platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.calrama ];
   };
 }
diff --git a/pkgs/development/libraries/libsearpc/default.nix b/pkgs/development/libraries/libsearpc/default.nix
index b27519fa66c..863a42b741b 100644
--- a/pkgs/development/libraries/libsearpc/default.nix
+++ b/pkgs/development/libraries/libsearpc/default.nix
@@ -26,6 +26,7 @@ stdenv.mkDerivation rec
     homepage = "https://github.com/haiwen/libsearpc";
     description = "A simple and easy-to-use C language RPC framework (including both server side & client side) based on GObject System.";
     license = stdenv.lib.licenses.lgpl3;
+    platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.calrama ];
   };
 }
\ No newline at end of file
diff --git a/pkgs/development/libraries/libzdb/default.nix b/pkgs/development/libraries/libzdb/default.nix
index 25eef6c7a99..90692569f08 100644
--- a/pkgs/development/libraries/libzdb/default.nix
+++ b/pkgs/development/libraries/libzdb/default.nix
@@ -18,6 +18,7 @@ stdenv.mkDerivation rec
     homepage = "http://www.tildeslash.com/libzdb/";
     description = "A small, easy to use Open Source Database Connection Pool Library.";
     license = stdenv.lib.licenses.gpl3;
+    platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.calrama ];
   };
 }
\ No newline at end of file
diff --git a/pkgs/misc/seafile-shared/default.nix b/pkgs/misc/seafile-shared/default.nix
index f392e9ece7a..53092e3a8b7 100644
--- a/pkgs/misc/seafile-shared/default.nix
+++ b/pkgs/misc/seafile-shared/default.nix
@@ -37,6 +37,7 @@ stdenv.mkDerivation rec
     homepage = "https://github.com/haiwen/seafile";
     description = "Shared components of Seafile: seafile-daemon, libseafile, libseafile python bindings, manuals, and icons";
     license = stdenv.lib.licenses.gpl3;
+    platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.calrama ];
   };
 }
diff --git a/pkgs/tools/networking/ccnet/default.nix b/pkgs/tools/networking/ccnet/default.nix
index 95479b8598e..14b88ddafe8 100644
--- a/pkgs/tools/networking/ccnet/default.nix
+++ b/pkgs/tools/networking/ccnet/default.nix
@@ -31,6 +31,7 @@ stdenv.mkDerivation rec
     homepage = "https://github.com/haiwen/ccnet";
     description = "A framework for writing networked applications in C.";
     license = stdenv.lib.licenses.gpl3Plus;
+    platforms = stdenv.lib.platforms.linux;
     maintainers = [ stdenv.lib.maintainers.calrama ];
   };
 }