diff --git a/pkgs/mpich/default.nix b/pkgs/mpich/default.nix
index 11dffcd0..b24d9053 100644
--- a/pkgs/mpich/default.nix
+++ b/pkgs/mpich/default.nix
@@ -56,5 +56,6 @@ in mpich.overrideAttrs (old: {
 
   meta = old.meta // {
     maintainers = old.meta.maintainers ++ (with lib.maintainers.bsc; [ rarias ]);
+    cross = true;
   };
 })
diff --git a/pkgs/osu/default.nix b/pkgs/osu/default.nix
index a1aa6450..12da65bf 100644
--- a/pkgs/osu/default.nix
+++ b/pkgs/osu/default.nix
@@ -44,5 +44,6 @@ stdenv.mkDerivation rec {
     homepage = "http://mvapich.cse.ohio-state.edu/benchmarks/";
     maintainers = [ ];
     platforms = lib.platforms.all;
+    cross = true;
   };
 }
diff --git a/pkgs/sonar/default.nix b/pkgs/sonar/default.nix
index 36a5ef8a..ac062a60 100644
--- a/pkgs/sonar/default.nix
+++ b/pkgs/sonar/default.nix
@@ -35,5 +35,6 @@ stdenv.mkDerivation rec {
     maintainers = with lib.maintainers.bsc; [ rarias ];
     platforms = lib.platforms.linux;
     license = lib.licenses.mit;
+    cross = true;
   };
 }
diff --git a/pkgs/tampi/default.nix b/pkgs/tampi/default.nix
index 15e48dee..16b2e4b6 100644
--- a/pkgs/tampi/default.nix
+++ b/pkgs/tampi/default.nix
@@ -68,5 +68,6 @@ in stdenv.mkDerivation {
     maintainers = with lib.maintainers.bsc; [ rarias ];
     platforms = lib.platforms.linux;
     license = lib.licenses.gpl3Plus;
+    cross = true;
   };
 }