diff --git a/hydra.nix b/hydra.nix
index 24c3d03f..ee8b3110 100644
--- a/hydra.nix
+++ b/hydra.nix
@@ -6,7 +6,7 @@
 
   notBroken = pkg: !(pkg.meta.broken or false);
   isDistributable = pkg: (pkg.meta.license or {redistributable = true;}).redistributable;
-  hasPlatform = sys: pkg: lib.elem sys (pkg.meta.platforms or []);
+  hasPlatform = sys: pkg: lib.elem sys (pkg.meta.platforms or [sys]);
   filterValidPkgs = sys: pkgs: lib.filterAttrs (_: pkg: hasPlatform sys pkg && notBroken pkg && isDistributable pkg) pkgs;
 
   getConfigTopLevel = (_: cfg: cfg.config.system.build.toplevel);