diff --git a/patpat/utility.py b/patpat/utility.py
index cc19822..0b0a3db 100644
--- a/patpat/utility.py
+++ b/patpat/utility.py
@@ -71,7 +71,8 @@ def initiate_uniprot_proteome_catalog():
 
 def create_list_uniprot_proteome():
     """Create UniProt Proteome Catalog"""
-    file = [i for i in os.listdir() if re.search('patpat_env/proteome/UP_README', i)][0]
+    os.chdir('patpat_env/proteome/')
+    file = [i for i in os.listdir() if re.search('UP_README', i)][0]
     with open(file, mode='r') as f:
         flag = ''
         while flag != 'Proteome_ID	Tax_ID	OSCODE	SUPERREGNUM	#(1)	#(2)	#(3)	Species Name\n':
@@ -86,6 +87,7 @@ def create_list_uniprot_proteome():
             else:
                 r.append(re.split('\t', flag[:-1]))
         df = pd.DataFrame(r[1:], columns=r[0])
+        os.chdir('../..')
     return df