diff --git a/mylib/config.py b/mylib/config.py
index 498efdd..c154f47 100644
--- a/mylib/config.py
+++ b/mylib/config.py
@@ -671,17 +671,17 @@ class Config:  # pylint: disable=too-many-instance-attributes
         filepath = filepath if filepath else self._filepath
         assert filepath, 'Configuration filepath is not set or provided'
 
-        # Checking access of target directory
+        # Checking access of target file/directory
         dirpath = os.path.dirname(filepath)
-        if not os.path.isdir(dirpath) or not os.access(dirpath, os.R_OK | os.W_OK | os.X_OK):
+        if os.path.isfile(filepath):
+            if not os.access(filepath, os.W_OK):
+               log.error('Configuration file "%s" is not writable', filepath)
+               return False
+        elif not os.path.isdir(dirpath) or not os.access(dirpath, os.R_OK | os.W_OK | os.X_OK):
             log.error(
                 'Configuration directory "%s" does not exist (or not writable)', dirpath)
             return False
 
-        if os.path.isfile(filepath) and not os.access(filepath, os.W_OK):
-            log.error('Configuration file "%s" is not writable', filepath)
-            return False
-
         lines = ['#\n# %s configuration\n#\n' % self.appname]
 
         for section_name in self._ordered_section_names: