diff --git a/src/server/visual-diff-reporter.js b/src/server/visual-diff-reporter.js
index 17bce1c3..c2dc30b9 100644
--- a/src/server/visual-diff-reporter.js
+++ b/src/server/visual-diff-reporter.js
@@ -1,6 +1,6 @@
+import * as os from 'node:os';
 import { cpSync, existsSync, mkdirSync, readFileSync, rmSync, writeFileSync } from 'node:fs';
 import { dirname, join } from 'node:path';
-import * as os from 'node:os';
 import { env } from 'node:process';
 import { execSync } from 'node:child_process';
 import { fileURLToPath } from 'node:url';
@@ -63,26 +63,20 @@ function createData(rootDir, updateGoldens, sessions) {
 	const system = {
 		platform: os.platform(),
 		release: os.release(),
-		arch: os.arch(),
-		previous: metadata.system && {
-			platform: metadata.system.platform,
-			release: metadata.system.release,
-			arch: metadata.system.arch
-		}
+		arch: os.arch()
 	};
 
 	if (isCI || updateGoldens) {
 		metadata.browsers = Array.from(browsers.values()).map(b => {
 			return { name: b.name, version: b.version };
 		});
-		metadata.system = {
-			platform: system.platform,
-			release: system.release,
-			arch: system.arch
-		};
+		metadata.system = system;
 		writeFileSync(metadataPath, `${JSON.stringify(metadata, undefined, '\t')}\n`);
 	}
 
+	const { previous: gc, ...previous } = metadata.system;
+	system.previous = previous;
+
 	return { browsers, files, numByteDiff, numFailed, numTests, system };
 
 }