diff --git a/default.nix b/default.nix
index df3a2a7..59e3ea5 100644
--- a/default.nix
+++ b/default.nix
@@ -63,7 +63,6 @@ pkgs.sbcl.buildASDFSystem {
   export LD_LIBRARY_PATH="$LD_LIBRARY_PATH:${pkgs.lib.makeLibraryPath [ sbcl' openssl.dev openssl.out openssl pkg-config ]}"
   wrapProgram $out/bin/tfcserver \
     --prefix LD_LIBRARY_PATH : $LD_LIBRARY_PATH \
-    --prefix SBCL_HOME : ${sbcl'}/lib/sbcl/sbcl.core \
   '';
 
   meta = with lib; {