diff --git a/dist/index.js b/dist/index.js
index b9b34d3..10dec11 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -407,7 +407,7 @@ class GitAuthHelper {
             }
             else {
                 // Host git directory
-                let gitDir = path.join(this.git.getWorkingDirectory(), '.git');
+                let gitDir = fs.realpathSync(path.join(this.git.getWorkingDirectory(), '.git'));
                 gitDir = gitDir.replace(/\\/g, '/'); // Use forward slashes, even on Windows
                 // Configure host includeIf
                 const hostIncludeKey = `includeIf.gitdir:${gitDir}.path`;
diff --git a/src/git-auth-helper.ts b/src/git-auth-helper.ts
index e67db14..7c18894 100644
--- a/src/git-auth-helper.ts
+++ b/src/git-auth-helper.ts
@@ -367,7 +367,7 @@ class GitAuthHelper {
       )
     } else {
       // Host git directory
-      let gitDir = path.join(this.git.getWorkingDirectory(), '.git')
+      let gitDir = fs.realpathSync(path.join(this.git.getWorkingDirectory(), '.git'))
       gitDir = gitDir.replace(/\\/g, '/') // Use forward slashes, even on Windows
 
       // Configure host includeIf