diff --git a/pkgs/servers/sql/postgresql/ext/tds_fdw.nix b/pkgs/servers/sql/postgresql/ext/tds_fdw.nix
index 3a4e0cba602..590d46b430e 100644
--- a/pkgs/servers/sql/postgresql/ext/tds_fdw.nix
+++ b/pkgs/servers/sql/postgresql/ext/tds_fdw.nix
@@ -25,5 +25,6 @@ stdenv.mkDerivation rec {
     maintainers = [ maintainers.steve-chavez ];
     platforms   = postgresql.meta.platforms;
     license     = licenses.postgresql;
+    broken = versionAtLeast postgresql.version "11.0";
   };
 }