diff --git a/web-nodejs/lib/consoleDeployGraph.js b/web-nodejs/lib/consoleDeployGraph.js
index ed673dde..c7841bb6 100644
--- a/web-nodejs/lib/consoleDeployGraph.js
+++ b/web-nodejs/lib/consoleDeployGraph.js
@@ -36,6 +36,13 @@ function createConsoleDeployGraph(rootDir) {
             return path.posix.join(resolved, 'index.js');
         }
 
+        // Preserve explicit non-JavaScript extensions such as .json.
+        // Appending .js here turns require('./config/theme.json') into
+        // the invalid repair path config/theme.json.js.
+        if (/\.(?:json|ya?ml|css|html?|txt|svg|xml|toml|ini)$/i.test(resolved)) {
+            return resolved;
+        }
+
         if (!resolved.endsWith('.js')) resolved += '.js';
         const absJs = path.join(rootDir, resolved);
         if (!fs.existsSync(absJs)) {
diff --git a/web-nodejs/tests/updateService.consoleSync.test.js b/web-nodejs/tests/updateService.consoleSync.test.js
index b18b4b1f..35ae254a 100644
--- a/web-nodejs/tests/updateService.consoleSync.test.js
+++ b/web-nodejs/tests/updateService.consoleSync.test.js
@@ -27,6 +27,8 @@ describe('updateService console sync helpers', () => {
         const graph = createConsoleDeployGraph(require('path').join(__dirname, '..'));
         expect(graph.resolveConsoleRequire('routes/auth.routes.js', '../services/serverAttestation'))
             .toBe('services/serverAttestation.js');
+        expect(graph.resolveConsoleRequire('services/brandingService.js', '../config/theme-palettes.json'))
+            .toBe('config/theme-palettes.json');
         expect(graph.resolveConsoleRequire('routes/index.js', './devices.routes'))
             .toBe('routes/devices.routes.js');
         expect(graph.resolveConsoleRequire('server.js', './routes'))