diff --git a/dist/index.js b/dist/index.js
index 9a3f96d..ae4cb49 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -558,7 +558,6 @@ Object.defineProperty(exports, "__esModule", ({ value: true }));
 exports.GitAuthHelper = void 0;
 const core = __importStar(__nccwpck_require__(2186));
 const fs = __importStar(__nccwpck_require__(7147));
-const path = __importStar(__nccwpck_require__(1017));
 const url_1 = __nccwpck_require__(7310);
 const utils = __importStar(__nccwpck_require__(918));
 class GitAuthHelper {
@@ -653,10 +652,11 @@ class GitAuthHelper {
     gitConfigStringReplace(find, replace) {
         return __awaiter(this, void 0, void 0, function* () {
             if (this.gitConfigPath.length === 0) {
-                const gitDir = yield this.git.getGitDirectory();
-                this.gitConfigPath = path.join(this.workingDirectory, gitDir, 'config');
+                this.gitConfigPath = yield this.git.getGitPath('config');
             }
+            console.log(this.gitConfigPath);
             let content = (yield fs.promises.readFile(this.gitConfigPath)).toString();
+            console.log(content);
             const index = content.indexOf(find);
             if (index < 0 || index != content.lastIndexOf(find)) {
                 throw new Error(`Unable to replace '${find}' in ${this.gitConfigPath}`);
@@ -833,6 +833,15 @@ class GitCommandManager {
     getGitDirectory() {
         return this.revParse('--git-dir');
     }
+    getGitPath(path) {
+        return __awaiter(this, void 0, void 0, function* () {
+            const args = ['rev-parse', '--git-path'];
+            if (path)
+                args.push(path);
+            const output = yield this.exec(args);
+            return output.stdout.trim();
+        });
+    }
     getWorkingDirectory() {
         return this.workingDirectory;
     }
diff --git a/src/git-auth-helper.ts b/src/git-auth-helper.ts
index 1b6c375..518ca76 100644
--- a/src/git-auth-helper.ts
+++ b/src/git-auth-helper.ts
@@ -1,7 +1,6 @@
 import * as core from '@actions/core'
 import * as fs from 'fs'
 import {GitCommandManager} from './git-command-manager'
-import * as path from 'path'
 import {URL} from 'url'
 import * as utils from './utils'
 
@@ -133,8 +132,7 @@ export class GitAuthHelper {
     replace: string
   ): Promise<void> {
     if (this.gitConfigPath.length === 0) {
-      const gitDir = await this.git.getGitDirectory()
-      this.gitConfigPath = path.join(this.workingDirectory, gitDir, 'config')
+      this.gitConfigPath = await this.git.getGitPath('config')
     }
     let content = (await fs.promises.readFile(this.gitConfigPath)).toString()
     const index = content.indexOf(find)
diff --git a/src/git-command-manager.ts b/src/git-command-manager.ts
index b77f078..c3024b8 100644
--- a/src/git-command-manager.ts
+++ b/src/git-command-manager.ts
@@ -150,6 +150,13 @@ export class GitCommandManager {
     return this.revParse('--git-dir')
   }
 
+  async getGitPath(path?: string): Promise<string> {
+    const args = ['rev-parse', '--git-path']
+    if (path) args.push(path)
+    const output = await this.exec(args)
+    return output.stdout.trim()
+  }
+
   getWorkingDirectory(): string {
     return this.workingDirectory
   }