diff --git a/setup.py b/setup.py
index f32d45b..62a9581 100644
--- a/setup.py
+++ b/setup.py
@@ -175,12 +175,17 @@ def get_hostname( parameter, config_filepath ):
     print("hostname setup done!")
     sys.exit(0)
 
-# Load secrets from secrets file
-secrets_filepath = "secrets/secrets.txt"
-uc_client_id     = get_parameter("uc_client_id",     secrets_filepath)
-uc_client_secret = get_parameter("uc_client_secret", secrets_filepath)
-uc_access_token  = get_parameter("uc_access_token",  secrets_filepath)
+###############################################################################
+# main
 
-# Load configuration from config file
-config_filepath = "config.txt"
-mastodon_hostname = get_hostname("mastodon_hostname", config_filepath) # E.g., mastodon.social
+if __name__ == '__main__':
+
+    # Load secrets from secrets file
+    secrets_filepath = "secrets/secrets.txt"
+    uc_client_id     = get_parameter("uc_client_id",     secrets_filepath)
+    uc_client_secret = get_parameter("uc_client_secret", secrets_filepath)
+    uc_access_token  = get_parameter("uc_access_token",  secrets_filepath)
+
+    # Load configuration from config file
+    config_filepath = "config.txt"
+    mastodon_hostname = get_hostname("mastodon_hostname", config_filepath)