diff --git a/pkgs/development/tools/database/cdb/default.nix b/pkgs/development/tools/database/cdb/default.nix
index 8def71568e79..f0a4f6c34e25 100644
--- a/pkgs/development/tools/database/cdb/default.nix
+++ b/pkgs/development/tools/database/cdb/default.nix
@@ -52,6 +52,6 @@ in stdenv.mkDerivation {
     homepage = "https://cr.yp.to/cdb";
     license = lib.licenses.publicDomain;
     maintainers = [ lib.maintainers.Profpatsch ];
-    platforms = [ lib.platforms.unix ];
+    platforms = lib.platforms.unix;
   };
 }