diff --git a/tests/pcre-count b/tests/pcre-count

--- a/tests/pcre-count

+++ b/tests/pcre-count

@@ -13,11 +13,17 @@ require_pcre_

 fail=0

-printf 'a\n%032768d\nb\x0\n%032768d\na\n' 0 0 > in

+printf 'a\n%032768d\nb\0\n%032768d\na\n' 0 0 > in || framework_failure_

-LC_ALL=C grep -P 'a' in | wc -l > exp

+# grep will discover that the input is a binary file sooner if the

+# page size is larger, so allow for either possible output.

+printf 'a\nBinary file in matches\n' >exp1a || framework_failure_

+printf 'Binary file in matches\n' >exp1b || framework_failure_

+LC_ALL=C grep -P 'a' in >out || fail=1

+compare exp1a out || compare exp1b out || fail=1

-LC_ALL=C grep -Pc 'a' in > out ||  fail=1

-compare exp out || fail=1

+printf '2\n' >exp2 || framework_failure_

+LC_ALL=C grep -Pc 'a' in >out || fail=1

+compare exp2 out || fail=1

 Exit $fail