diff --git a/src/completion.ts b/src/completion.ts
index 57a3391..77cb078 100644
--- a/src/completion.ts
+++ b/src/completion.ts
@@ -28,7 +28,7 @@ export class ClassCompletionItemProvider implements CompletionItemProvider, Disp
     readonly canComplete = /(id|class|className)\s*=\s*(["'])(?:(?!\2).)*$/si;
     readonly findLinkRel = /rel\s*=\s*(["'])((?:(?!\1).)+)\1/si;
     readonly findLinkHref = /href\s*=\s*(["'])((?:(?!\1).)+)\1/si;
-    readonly findExtended = /(?:{{<|{%)\s*(?:extends)?\s*"?([\/\.\\0-9_a-z-A-Z]+)"?\s*(?:%}|}})/i;
+    readonly findExtended = /(?:{{\s*<|{%\s*extends)\s*"?([\/\.\\0-9_a-z-A-Z]+)"?\s*(?:%}|}})/i;
 
     dispose() {
         let e;