diff --git a/release.nix b/release.nix
index 1fc9405bdb..a1ea34547b 100644
--- a/release.nix
+++ b/release.nix
@@ -75,7 +75,7 @@ let
         configureFlags = ''
           --disable-init-state
           --with-bzip2=${bzip2} --with-sqlite=${sqlite}
-          --enable-gc
+          ${lib.optionalString (system != "i386-sunos") "--enable-gc"}
         '';
       };