diff --git a/pokemongo_bot/__init__.py b/pokemongo_bot/__init__.py
index 27ce65f..f4c7c6b 100644
--- a/pokemongo_bot/__init__.py
+++ b/pokemongo_bot/__init__.py
@@ -677,6 +677,9 @@ class PokemonGoBot(object):
                 file_name = 'encrypt_64.dll'
             else:
                 file_name = 'encrypt.dll'
+	else:
+	    self.logger.error('Platform ' + _platform + ' is unsupported')
+	    sys.exit(1)
 
         if self.config.encrypt_location == '':
             path = os.path.abspath(os.path.join(os.path.dirname(__file__), os.pardir))