diff --git a/prometheuspvesd/cli.py b/prometheuspvesd/cli.py
index 1e0fb8d..71ab27b 100644
--- a/prometheuspvesd/cli.py
+++ b/prometheuspvesd/cli.py
@@ -119,6 +119,12 @@ class PrometheusSD:
         for name, value in required:
             if not value:
                 self.log.sysexit_with_message(f"Option '{name}' is required but not set")
+                
+        if config.config["pve"]["token_name"] and not config.config["pve"]["token_value"]:
+            self.log.sysexit_with_message(f"Option 'pve.token_name' require 'pve.token_value' to be set")
+        
+        if not config.config["pve"]["token_name"] and not config.config["pve"]["token_value"] and not config.config["pve"]["password"]:
+            self.log.sysexit_with_message(f"Neither password nor API token have been set for pve authentication")
 
         self.logger.info(f"Using config file {config.config_file}")