diff --git a/pkgs/gpi-2/default.nix b/pkgs/gpi-2/default.nix
index 74bf196..428a270 100644
--- a/pkgs/gpi-2/default.nix
+++ b/pkgs/gpi-2/default.nix
@@ -70,5 +70,6 @@ stdenv.mkDerivation rec {
     maintainers = with lib.maintainers.bsc; [ rarias ];
     platforms = lib.platforms.linux;
     license = lib.licenses.gpl3Plus;
+    cross = false; # infiniband detection does not work
   };
 }
diff --git a/pkgs/tagaspi/default.nix b/pkgs/tagaspi/default.nix
index 9e9ce81..94c28e3 100644
--- a/pkgs/tagaspi/default.nix
+++ b/pkgs/tagaspi/default.nix
@@ -56,5 +56,6 @@ stdenv.mkDerivation rec {
     maintainers = with lib.maintainers.bsc; [ rarias ];
     platforms = lib.platforms.linux;
     license = lib.licenses.gpl3Plus;
+    cross = false; # gpi-2 cannot cross
   };
 }