diff --git a/overlay.nix b/overlay.nix
index 3b02ae30..d7560856 100644
--- a/overlay.nix
+++ b/overlay.nix
@@ -107,7 +107,12 @@ let
     (meta.availableOn platform pkg);
 
   # For now only RISC-V
-  crossSet = { riscv64 = final.pkgsCross.riscv64.bsc.pkgsTopLevel; };
+  crossSet = genAttrs [ "riscv64" ] genCross;
+
+  genCross = platform:
+    # filter out packages by meta.platforms
+    filterAttrs (_: meta.availableOn final.pkgsCross.${platform}.stdenv.hostPlatform)
+    final.pkgsCross.${platform}.bsc.pkgsTopLevel;
 
   buildList = name: paths:
     final.runCommandLocal name { } ''