diff --git a/web/src/composebox_typeahead.ts b/web/src/composebox_typeahead.ts
index 46b09230bc..d8b530e0a1 100644
--- a/web/src/composebox_typeahead.ts
+++ b/web/src/composebox_typeahead.ts
@@ -411,7 +411,7 @@ export function tokenize_compose_str(s: string): string {
     // after the first character.
     let i = s.length;
 
-    let min_i = s.length - 25;
+    let min_i = s.length - 40;
     if (min_i < 0) {
         min_i = 0;
     }