diff --git a/swordfish/src/katana.rs b/swordfish/src/katana.rs
index 9b75b2a..d4b1267 100644
--- a/swordfish/src/katana.rs
+++ b/swordfish/src/katana.rs
@@ -15,7 +15,7 @@ use swordfish_common::{error, trace, warn};
 use tokio::task;
 use tokio::time::Instant;
 
-static ALLOWED_CHARS_REGEX: LazyLock<Regex> = LazyLock::new(|| Regex::new(r"[\-!.': ]").unwrap());
+static ALLOWED_CHARS_REGEX: LazyLock<Regex> = LazyLock::new(|| Regex::new(r"[\-!.':() ]").unwrap());
 const CARD_NAME_X_OFFSET: u32 = 22;
 const CARD_NAME_Y_OFFSET: u32 = 28;
 const CARD_NAME_WIDTH: u32 = 202 - CARD_NAME_X_OFFSET;