diff --git a/pkgs/development/libraries/gmp/4.3.2.nix b/pkgs/development/libraries/gmp/4.3.1.nix
similarity index 100%
rename from pkgs/development/libraries/gmp/4.3.2.nix
rename to pkgs/development/libraries/gmp/4.3.1.nix
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 548b855e7a5..23db6b294d8 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -3741,7 +3741,8 @@ let
 
   gmp = 
     if stdenv.system == "i686-darwin" then
-      makeOverridable (import ../development/libraries/gmp/4.3.2.nix) {
+      # GMP 4.3.2 is broken on Darwin, so use 4.3.1.
+      makeOverridable (import ../development/libraries/gmp/4.3.1.nix) {
         inherit stdenv fetchurl m4;
         cxx = false;
       }