diff --git a/t/t5004-archive-corner-cases.sh b/t/t5004-archive-corner-cases.sh
index 3e7b23cb32..2d32d0ed12 100755
--- a/t/t5004-archive-corner-cases.sh
+++ b/t/t5004-archive-corner-cases.sh
@@ -153,7 +153,8 @@ test_expect_success ZIPINFO 'zip archive with many entries' '
 
 	# check the number of entries in the ZIP file directory
 	expr 65536 + 256 >expect &&
-	"$ZIPINFO" many.zip | head -2 | sed -n "2s/.* //p" >actual &&
+	"$ZIPINFO" -h many.zip >zipinfo &&
+	sed -n "2s/.* //p" <zipinfo >actual &&
 	test_cmp expect actual
 '