diff --git a/pkgs/by-name/op/opencode/package.nix b/pkgs/by-name/op/opencode/package.nix
index 7191e168b064..115f0c2f798c 100644
--- a/pkgs/by-name/op/opencode/package.nix
+++ b/pkgs/by-name/op/opencode/package.nix
@@ -142,6 +142,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
 
     install -Dm644 config.json $out/share/opencode/config.json
     install -Dm644 tui.json $out/share/opencode/tui.json
+    install -Dm644 ../web/public/theme.json $out/share/opencode/theme.json
 
     runHook postInstall
   '';
@@ -166,6 +167,7 @@ stdenvNoCC.mkDerivation (finalAttrs: {
   passthru = {
     jsonschema = {
       config = "${finalAttrs.finalPackage}/share/opencode/config.json";
+      theme = "${finalAttrs.finalPackage}/share/opencode/theme.json";
       tui = "${finalAttrs.finalPackage}/share/opencode/tui.json";
     };
     updateScript = nix-update-script {