diff --git a/packages/playwright/src/common/config.ts b/packages/playwright/src/common/config.ts
index 2248dfb79d..c2dc2d6edf 100644
--- a/packages/playwright/src/common/config.ts
+++ b/packages/playwright/src/common/config.ts
@@ -81,6 +81,10 @@ export class FullConfigInternal {
     this.globalSetups = (Array.isArray(userConfig.globalSetup) ? userConfig.globalSetup : [userConfig.globalSetup]).map(s => resolveScript(s, configDir)).filter(script => script !== undefined);
     this.globalTeardowns = (Array.isArray(userConfig.globalTeardown) ? userConfig.globalTeardown : [userConfig.globalTeardown]).map(s => resolveScript(s, configDir)).filter(script => script !== undefined);
 
+    // Make sure we reuse same metadata instance between FullConfigInternal instances,
+    // so that plugins such as gitCommitInfoPlugin can populate metadata once.
+    userConfig.metadata = userConfig.metadata || {};
+
     this.config = {
       configFile: resolvedConfigFile,
       rootDir: pathResolve(configDir, userConfig.testDir) || configDir,
@@ -92,7 +96,7 @@ export class FullConfigInternal {
       grep: takeFirst(userConfig.grep, defaultGrep),
       grepInvert: takeFirst(userConfig.grepInvert, null),
       maxFailures: takeFirst(configCLIOverrides.debug ? 1 : undefined, configCLIOverrides.maxFailures, userConfig.maxFailures, 0),
-      metadata: takeFirst(userConfig.metadata, {}),
+      metadata: userConfig.metadata,
       preserveOutput: takeFirst(userConfig.preserveOutput, 'always'),
       reporter: takeFirst(configCLIOverrides.reporter, resolveReporters(userConfig.reporter, configDir), [[defaultReporter]]),
       reportSlowTests: takeFirst(userConfig.reportSlowTests, { max: 5, threshold: 15000 }),