diff --git a/src/passive/fufufu.rs b/src/passive/fufufu.rs
index 93f7ccf..e8594ac 100644
--- a/src/passive/fufufu.rs
+++ b/src/passive/fufufu.rs
@@ -6,7 +6,7 @@ use serenity::model::channel::Message;
 use serenity::prelude::{Context, EventHandler};
 
 lazy_static! {
-    static ref REGEX: Regex = Regex::new("(?:[fF][uU]){3,}").unwrap();
+    static ref REGEX: Regex = Regex::new("(?i:fu){3,}").unwrap();
 }
 
 pub(crate) struct FufufuResponder;