diff --git a/pkgs/development/libraries/proj/default.nix b/pkgs/development/libraries/proj/default.nix
index 8fceacd870a4..b92aa49a092e 100644
--- a/pkgs/development/libraries/proj/default.nix
+++ b/pkgs/development/libraries/proj/default.nix
@@ -8,7 +8,7 @@ stdenv.mkDerivation {
     sha256 = "1xw5f427xk9p2nbsj04j6m5zyjlyd66sbvl2bkg8hd1kx8pm9139";
   };
 
-  doCheck = true;
+  doCheck = stdenv.is64bit;
 
   meta = with stdenv.lib; {
     description = "Cartographic Projections Library";