diff --git a/testdata/parser/negative/4.pdl b/testdata/parser/negative/4.pdl
index bf323606bd952b1d97999d4a9f14d35e1e4bfadc..9d34caa72fdaefd46c77bfc59cf8d91b89b38fa8 100644
--- a/testdata/parser/negative/4.pdl
+++ b/testdata/parser/negative/4.pdl
@@ -6,7 +6,7 @@ primitive main(in a, out b) {
 	msg y = create(0); // legal
 	while (x < 10) {
 		y = get(a); // illegal
-		synchronous {
+		sync {
 			y = get(a); // legal
 		}
 	}