diff --git a/corrlib/meas_io.py b/corrlib/meas_io.py
index 3fbf69a..7c9a32e 100644
--- a/corrlib/meas_io.py
+++ b/corrlib/meas_io.py
@@ -25,17 +25,18 @@ def write_measurement(path, ensemble, measurement, uuid, code, parameter_file):
     uuid: str
         The uuid of the project.
     """
-
-    dl.unlock(path + '/backlogger.db', dataset=path)
-    conn = sqlite3.connect(path + '/backlogger.db')
+    db = os.path.join(path, 'backlogger.db')
+    dl.unlock(db, dataset=path)
+    conn = sqlite3.connect(db)
     c = conn.cursor()
     files = []
     for corr in measurement.keys():
-        file = path + "/archive/" + ensemble + "/" + corr + '/' + uuid + '.json.gz'
+        file_in_archive = os.path.join('.', 'archive', ensemble, corr,  uuid + '.json.gz')
+        file = os.path.join(path, file_in_archive)
         files.append(file)
         known_meas = {}
-        if not os.path.exists(path + "/archive/" + ensemble + "/" + corr):
-            os.makedirs(path + "/archive/" + ensemble + "/" + corr)
+        if not os.path.exists(os.path.join(path, '.', 'archive', ensemble, corr)):
+            os.makedirs(os.path.join(path, '.', 'archive', ensemble, corr))
         else:
             if os.path.exists(file):
                 dl.unlock(file, dataset=path)
@@ -61,7 +62,7 @@ def write_measurement(path, ensemble, measurement, uuid, code, parameter_file):
         
         for subkey in subkeys:                
             parHash = sha256(str(pars[subkey]).encode('UTF-8')).hexdigest()
-            meas_path = file + "::" + parHash
+            meas_path = file_in_archive + "::" + parHash
 
             known_meas[parHash] = measurement[corr][subkey]
             
@@ -135,10 +136,12 @@ def preload(path: str, file: str):
 
 
 def drop_record(path: str, meas_path: str):
-    file = meas_path.split("::")[0]
+    file_in_archive = meas_path.split("::")[0]
+    file = os.path.join(path, file_in_archive)
+    db = os.path.join(path, 'backlogger.db')
     sub_key = meas_path.split("::")[1]
-    dl.unlock(path + '/backlogger.db', dataset=path)
-    conn = sqlite3.connect(path + '/backlogger.db')
+    dl.unlock(db, dataset=path)
+    conn = sqlite3.connect(db)
     c = conn.cursor()
     if c.execute("SELECT * FROM backlogs WHERE path = ?", (meas_path, )).fetchone() is not None:
         c.execute("DELETE FROM backlogs WHERE path = ?", (meas_path, ))
@@ -151,7 +154,7 @@ def drop_record(path: str, meas_path: str):
         del known_meas[sub_key]
         dl.unlock(file, dataset=path)
         pj.dump_dict_to_json(known_meas, file)
-        dl.save([path + '/backlogger.db', file], message="Drop measurements to database", dataset=path)
+        dl.save([db, file], message="Drop measurements to database", dataset=path)
         return
     else:
         raise ValueError("This measurement does not exist as a file!")