diff --git a/pkgs/development/libraries/gmp/4.3.1.nix b/pkgs/development/libraries/gmp/4.3.1.nix
index 541fabddd441..17455b9f1dd4 100644
--- a/pkgs/development/libraries/gmp/4.3.1.nix
+++ b/pkgs/development/libraries/gmp/4.3.1.nix
@@ -20,5 +20,6 @@ stdenv.mkDerivation rec {
     description = "A free library for arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating point numbers";
     homepage = http://gmplib.org/;
     license = "LGPL";
+    platforms = stdenv.lib.platforms.all;
   };
 }
diff --git a/pkgs/development/libraries/gmp/default.nix b/pkgs/development/libraries/gmp/default.nix
index 7091306cfda1..0b608fb4aada 100644
--- a/pkgs/development/libraries/gmp/default.nix
+++ b/pkgs/development/libraries/gmp/default.nix
@@ -20,5 +20,6 @@ stdenv.mkDerivation rec {
     description = "A free library for arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating point numbers";
     homepage = http://gmplib.org/;
     license = "LGPL";
+    platforms = stdenv.lib.platforms.all;
   };
 }