diff --git a/src/__tests__/it-worktree-delete.test.ts b/src/__tests__/it-worktree-delete.test.ts
index 09a3c0c..9e3e2e9 100644
--- a/src/__tests__/it-worktree-delete.test.ts
+++ b/src/__tests__/it-worktree-delete.test.ts
@@ -54,6 +54,10 @@ describe('worktree branch deletion', () => {
     worktreeDir = join(tmpdir(), branchSlug);
     execFileSync('git', ['clone', '--shared', testDir, worktreeDir]);
 
+    // Configure git user in worktree (shared clones don't inherit config)
+    execFileSync('git', ['config', 'user.name', 'Test User'], { cwd: worktreeDir });
+    execFileSync('git', ['config', 'user.email', 'test@example.com'], { cwd: worktreeDir });
+
     const branchName = `takt/${branchSlug}`;
     execFileSync('git', ['checkout', '-b', branchName], { cwd: worktreeDir });
 
@@ -112,6 +116,10 @@ describe('worktree branch deletion', () => {
     worktreeDir = join(tmpdir(), branchSlug);
     execFileSync('git', ['clone', '--shared', testDir, worktreeDir]);
 
+    // Configure git user in worktree (shared clones don't inherit config)
+    execFileSync('git', ['config', 'user.name', 'Test User'], { cwd: worktreeDir });
+    execFileSync('git', ['config', 'user.email', 'test@example.com'], { cwd: worktreeDir });
+
     const branchName = `takt/${branchSlug}`;
     execFileSync('git', ['checkout', '-b', branchName], { cwd: worktreeDir });
 
diff --git a/src/__tests__/it-worktree-sessions.test.ts b/src/__tests__/it-worktree-sessions.test.ts
index f7fa25e..62d464b 100644
--- a/src/__tests__/it-worktree-sessions.test.ts
+++ b/src/__tests__/it-worktree-sessions.test.ts
@@ -55,6 +55,10 @@ describe('worktree-sessions recognition', () => {
     // Create shared clone
     execFileSync('git', ['clone', '--shared', testDir, worktreeDir]);
 
+    // Configure git user in worktree (shared clones don't inherit config)
+    execFileSync('git', ['config', 'user.name', 'Test User'], { cwd: worktreeDir });
+    execFileSync('git', ['config', 'user.email', 'test@example.com'], { cwd: worktreeDir });
+
     // Create and checkout takt branch in worktree
     const branchName = `takt/${branchSlug}`;
     execFileSync('git', ['checkout', '-b', branchName], { cwd: worktreeDir });
@@ -109,6 +113,10 @@ describe('worktree-sessions recognition', () => {
     worktreeDir = join(tmpdir(), branchSlug);
     execFileSync('git', ['clone', '--shared', testDir, worktreeDir]);
 
+    // Configure git user in worktree (shared clones don't inherit config)
+    execFileSync('git', ['config', 'user.name', 'Test User'], { cwd: worktreeDir });
+    execFileSync('git', ['config', 'user.email', 'test@example.com'], { cwd: worktreeDir });
+
     const branchName = `takt/${branchSlug}`;
     execFileSync('git', ['checkout', '-b', branchName], { cwd: worktreeDir });