diff --git a/codes/postprocess.py b/codes/postprocess.py
index 78a9a5e..a56427b 100755
--- a/codes/postprocess.py
+++ b/codes/postprocess.py
@@ -514,7 +514,7 @@ class PostProcess:
         self.sheet['hla'] = self.txt_2_excel(hla)
 
     def qc(self):
-        qc_files = glob.glob(os.path.join(self.path, 'qc', '*_qc.txt'))
+        qc_files = glob.glob(os.path.join(self.path, 'qc', f'{self.sample_name}_qc.txt'))
         qc_res = []
         if qc_files:
             if os.path.getsize(qc_files[0]) > 0: