diff --git a/src/grammar/test/case-17.tact b/src/grammar/test/case-17.tact
index b8e9af803..da78a62df 100644
--- a/src/grammar/test/case-17.tact
+++ b/src/grammar/test/case-17.tact
@@ -23,5 +23,5 @@ const b: B = new {
 };
 
 fun getB(): B {
-    return B { x = 1, y = 5, };
+    return B { x: 1, y: 5, };
 }