diff --git a/lagarto-ox.nix b/lagarto-ox.nix
index 74d9b4b..2672017 100644
--- a/lagarto-ox.nix
+++ b/lagarto-ox.nix
@@ -177,8 +177,8 @@
       nativeBuildInputs = [ prev.buildPackages.dtc ];
     } "dtc -O dtb -o $out $dtsFile";
 
-    bitstream = "${final.bitstreams}/lagarto-3-ox/gold.bit";
-    #bitstream = "${final.bitstreams}/lagarto-3-ox/ox_u55c_a234c132_two_uarts.bit";
+    #bitstream = "${final.bitstreams}/lagarto-3-ox/gold.bit";
+    bitstream = "${final.bitstreams}/lagarto-3-ox/ox_u55c_a234c132_two_uarts.bit";
 
     uboot = prev.ubootQemuRiscv64Smode.override {
       filesToInstall = [ "u-boot.bin" "u-boot-nodtb.bin" ];