diff --git a/rslib/i18n/src/lib.rs b/rslib/i18n/src/lib.rs
index 030924547..b89152056 100644
--- a/rslib/i18n/src/lib.rs
+++ b/rslib/i18n/src/lib.rs
@@ -423,7 +423,7 @@ pub struct ResourcesForJavascript {
 }
 
 pub fn without_unicode_isolation(s: &str) -> String {
-    s.replace("\u{2068}", "").replace("\u{2069}", "")
+    s.replace(|c| c == '\u{2068}' || c == '\u{2069}', "")
 }
 
 #[cfg(test)]