diff --git a/ext/fileinfo/tests/bug78987.phpt b/ext/fileinfo/tests/bug78987.phpt
index f65947ed85a..16f2e98b209 100644
--- a/ext/fileinfo/tests/bug78987.phpt
+++ b/ext/fileinfo/tests/bug78987.phpt
@@ -11,14 +11,14 @@ $minSize = 128 * 1024;
 $maxSize = 16 * 1024 * 1024;
 
 $map = array(
-	131072 => 2097152,
-	262144 => 2097152,
-	524288 => 4194304,
-	1048576 => 4194304,
-	2097152 => 8388608,
-	4194304 => 14680064,
-	8388608 => 20971520,
-	16777216 => 33554432,
+	131072 => 9113600,
+	262144 => 9113600,
+	524288 => 9113600,
+	1048576 => 11210752,
+	2097152 => 13312000,
+	4194304 => 17510400,
+	8388608 => 23801856,
+	16777216 => 36384768,
 );
 for($size = $minSize; $size <= $maxSize; $size *= 2) {
 	$content = str_repeat('0', $size);