diff --git a/src/lsp/util/find.ts b/src/lsp/util/find.ts
index db5609e3f06571bde42d9a555268d95f6318fc47..b642534d012dc3816516f0284de71b1ecbf31954 100644
--- a/src/lsp/util/find.ts
+++ b/src/lsp/util/find.ts
@@ -133,7 +133,7 @@   const matches = findAll(/(?:\b|:)class(?:Name)?=['"`{]/g, text)
   const result: DocumentClassList[] = []
 
   matches.forEach((match) => {
-    const subtext = text.substr(match.index + match[0].length - 1)
+    const subtext = text.substr(match.index + match[0].length - 1, 200)
 
     let lexer =
       match[0][0] === ':'