diff --git a/pkgs/development/lisp-modules-new/ql.nix b/pkgs/development/lisp-modules-new/ql.nix
index 8e06ef75a1f6..4ffce7a8d769 100644
--- a/pkgs/development/lisp-modules-new/ql.nix
+++ b/pkgs/development/lisp-modules-new/ql.nix
@@ -60,6 +60,9 @@ let
     trivial-ssh-libssh2 = pkg: {
       nativeLibs = [ libssh2 ];
     };
+    mssql = pkg: {
+      nativeLibs = [ freetds ];
+    };
     sqlite = pkg: {
       nativeLibs = [ sqlite ];
     };