diff --git a/main.go b/main.go
index c9d28fb..374239b 100644
--- a/main.go
+++ b/main.go
@@ -13,13 +13,13 @@ import (
 )
 
 func main() {
-	satel_api_addr := flag.String("satel_addr", "", "Address that should be used to connect to the SATEL device")
-	satel_api_port := flag.String("satel_port", "7094", "Port that should be used to connect to the SATEL device")
-	chat_id_raw := flag.String("tg_chat_id", "", "Telegram Chat ID where to send updates. Use \",\" to specify multiple IDs.")
+	satel_api_addr := flag.String("satel-addr", "", "Address that should be used to connect to the SATEL device")
+	satel_api_port := flag.String("satel-port", "7094", "Port that should be used to connect to the SATEL device")
+	chat_id_raw := flag.String("tg-chat-id", "", "Telegram Chat ID where to send updates. Use \",\" to specify multiple IDs.")
 	flag.Parse()
 
 	if len(*satel_api_addr) == 0 || len(*satel_api_port) == 0 || len(*chat_id_raw) == 0 {
-		fmt.Println("Use --satel_addr=ADDR, --satel_port=PORT and --tg_chat_id=CHAT_ID command line flags to continue.")
+		fmt.Println("Use --satel-addr=ADDR, --satel-port=PORT and --tg-chat-id=CHAT_ID command line flags to continue.")
 		os.Exit(1)
 	}
 	chat_ids_strings := strings.Split(*chat_id_raw, ",")