diff --git a/packages/language-core/lib/virtualFile/computedVueSfc.ts b/packages/language-core/lib/virtualFile/computedVueSfc.ts
index 56018604cb..6c57a0044f 100644
--- a/packages/language-core/lib/virtualFile/computedVueSfc.ts
+++ b/packages/language-core/lib/virtualFile/computedVueSfc.ts
@@ -20,6 +20,7 @@ export function computedVueSfc(
 		// incremental update
 		if (cache?.plugin.updateSFC) {
 			const change = snapshot.get().getChangeRange(cache.snapshot);
+			cache.snapshot = snapshot.get();
 			if (change) {
 				const newSfc = cache.plugin.updateSFC(cache.sfc, {
 					start: change.span.start,
@@ -27,7 +28,6 @@ export function computedVueSfc(
 					newText: snapshot.get().getText(change.span.start, change.span.start + change.newLength),
 				});
 				if (newSfc) {
-					cache.snapshot = snapshot.get();
 					// force dirty
 					cache.sfc = JSON.parse(JSON.stringify(newSfc));
 					return cache.sfc;