diff --git a/tests/packed-varints.pure.lisp b/tests/packed-varints.pure.lisp
index c30ffb659..d61a5ee2c 100644
--- a/tests/packed-varints.pure.lisp
+++ b/tests/packed-varints.pure.lisp
@@ -14,7 +14,12 @@
            (let ((cdi
                   (sb-c::make-compiled-debug-info
                    :name "test" :fun-map (sb-c::make-compiled-debug-fun :name 'test
-                                                                        :encoded-locs 0)
+                                                                        :encoded-locs 0
+                                                                        :allow-other-keys t
+                                                                        :return-pc 0
+                                                                        :return-pc-pass 0
+                                                                        :elsewhere-pc 0
+                                                                        :old-fp 0)
                    :tlf-num+offset (let ((sb-c::*adjustable-vectors* nil))
                                      (sb-c::pack-tlf-num+offset a b)))))
              (assert (eql a (sb-c::compiled-debug-info-tlf-number cdi)))