diff --git a/slpkg/main.py b/slpkg/main.py
index e7ad7cd1..c3758aa8 100644
--- a/slpkg/main.py
+++ b/slpkg/main.py
@@ -342,6 +342,9 @@ class Argparse(Configs):
                 if opt not in options:
                     invalid.append(opt)
         except (KeyError, IndexError):
+            logger = logging.getLogger(__name__)
+            logger.exception('%s: %s:', self.__class__.__name__,
+                             self.__class__.invalid_options.__name__)
             self.usage.help_short(1)
 
         # Prints error for invalid options.
@@ -383,6 +386,9 @@ class Argparse(Configs):
                 try:
                     self.directory: str = self.args[self.args.index(arg) + 1]
                 except IndexError:
+                    logger = logging.getLogger(__name__)
+                    logger.exception('%s: %s:', self.__class__.__name__,
+                                     self.__class__.split_options_from_args.__name__)
                     self.directory: Path = self.tmp_slpkg
                 else:
                     self.args.remove(self.directory)
@@ -395,6 +401,9 @@ class Argparse(Configs):
                 try:
                     self.binary_repo: str = self.args[self.args.index(arg) + 1]
                 except IndexError:
+                    logger = logging.getLogger(__name__)
+                    logger.exception('%s: %s:', self.__class__.__name__,
+                                     self.__class__.split_options_from_args.__name__)
                     self.binary_repo = ''
                 else:
                     self.args.remove(self.binary_repo)
@@ -769,6 +778,9 @@ class Argparse(Configs):
                 flags = self.commands[self.args[1]]
                 Help(self.args[1], flags).view()
             except KeyError:
+                logger = logging.getLogger(__name__)
+                logger.exception('%s: %s:', self.__class__.__name__,
+                                 self.__class__.help_for_commands.__name__)
                 self.usage.help_minimal(f"{self.prog_name}: invalid argument '{''.join(self.args[1])}'")
         else:
             self.usage.help_short(1)