diff --git a/vlib/v/checker/tests/voidptr_dereference_err.vv b/vlib/v/checker/tests/voidptr_dereference_err.vv
index 0c092d2ec3..63e203a2af 100644
--- a/vlib/v/checker/tests/voidptr_dereference_err.vv
+++ b/vlib/v/checker/tests/voidptr_dereference_err.vv
@@ -1,5 +1,5 @@
 fn main() {
-	mut a := unsafe { nil }
+	mut a := unsafe { voidptr(u64(0)) }
 	mut b := 123
 	a = &b
 	println(*a)