diff --git a/backive/backive_service b/backive/backive_service
index 3304fcd..dcd997f 100755
--- a/backive/backive_service
+++ b/backive/backive_service
@@ -54,7 +54,7 @@ class Backive:
                         if await self._scheduler.should_run(backup.name):
                             logging.info("Running backup '%s'", backup.name)
                             result = await backup.run()
-                            logging.debug("Result: %s", str(result))
+                            logging.debug("Result: %s", result.decode())
                             await self._scheduler.register_run(backup.name)
                         else:
                             logging.info(
@@ -73,6 +73,7 @@ class Backive:
         pass
 
     def __del__(self):
+        self._scheduler.save()
         del self._events
 
 
diff --git a/backive/config/config.py b/backive/config/config.py
index fdb660f..69a6211 100644
--- a/backive/config/config.py
+++ b/backive/config/config.py
@@ -57,7 +57,7 @@ class Config:
                 )
 
             with open(config_file, "r") as cfg:
-                self._config = YAML().load(cfg)
+                self._config = YAML.safe_load(cfg)
             logging.debug(
                 "Found config: %s\n%s",
                 config_file,
diff --git a/backive/core/backup.py b/backive/core/backup.py
index b35f657..034e42f 100644
--- a/backive/core/backup.py
+++ b/backive/core/backup.py
@@ -42,7 +42,7 @@ class Backup:
                 stderr=asyncio.subprocess.PIPE,
             )
             stdout, stderr = await proc.communicate()
-            logging.debug("stdout: %s", stdout)
+            logging.debug("stdout: %s", stdout.decode())
             logging.debug("stderr: %s", stderr.decode())
             user = self.config.get("user")
             proc = await asyncio.create_subprocess_shell(
diff --git a/backive/core/device.py b/backive/core/device.py
index 0e98f84..9abe7de 100644
--- a/backive/core/device.py
+++ b/backive/core/device.py
@@ -41,8 +41,8 @@ mount -v -o users,noexec {dev_path} {mountpoint}""".format(
             stderr=asyncio.subprocess.PIPE,
         )
         stdout, stderr = await proc.communicate()
-        logging.debug("stdout: %s", stdout)
-        logging.debug("stderr: %s", stderr)
+        logging.debug("stdout: %s", stdout.decode())
+        logging.debug("stderr: %s", stderr.decode())
         # TODO: Also add a touch operation in the target mount if the correct
         # access rights are given! (when backive is run as user)
         return True # on success, False on failure
@@ -58,4 +58,4 @@ sudo umount -v %s
             stderr=asyncio.subprocess.PIPE,
         )
         stdout, stderr = await proc.communicate()
-        logging.debug("stdout: %s", stdout)
+        logging.debug("stdout: %s", stdout.decode())
diff --git a/backive/core/scheduler.py b/backive/core/scheduler.py
index cf8fab2..7fffec1 100644
--- a/backive/core/scheduler.py
+++ b/backive/core/scheduler.py
@@ -30,10 +30,15 @@ class Scheduler():
                 self.load()
 
     def save(self):
+        logging.debug("Scheduler.save()")
         with open(self._data_file, "w") as stream:
             json.dump(self.__data, stream, indent=2)
 
     def load(self):
+        logging.debug("Scheduler.load()")
+        if not os.path.exists(os.path.dirname(self._data_file)):
+            os.makedirs(os.path.dirname(self._data_file))
+            self.save()
         with open(self._data_file, "r") as stream:
             self.__data = json.load(stream)