diff --git a/NEWS b/NEWS
index d403e2fad3c..736fa7d4f53 100644
--- a/NEWS
+++ b/NEWS
@@ -12,6 +12,10 @@ PHP                                                                        NEWS
   . Fixed bug GH-13903 (ASAN false positive underflow when executing copy()).
     (nielsdos)
 
+- Fileinfo:
+  . Fixed bug GH-13795 (Test failing in ext/fileinfo/tests/bug78987.phpt on
+    big-endian PPC). (orlitzky)
+
 - FPM:
   . Fixed bug GH-13563 (Setting bool values via env in FPM config fails).
     (Jakub Zelenka)
diff --git a/ext/fileinfo/tests/bug78987.phpt b/ext/fileinfo/tests/bug78987.phpt
index 423ecb1b851..ab7d9cad716 100644
--- a/ext/fileinfo/tests/bug78987.phpt
+++ b/ext/fileinfo/tests/bug78987.phpt
@@ -11,14 +11,14 @@ $minSize = 128 * 1024;
 $maxSize = 16 * 1024 * 1024;
 
 $map = array(
-	131072 => 10055680,
-	262144 => 10055680,
-	524288 => 11898880,
-	1048576 => 12152832,
-	2097152 => 14254080,
-	4194304 => 18452480,
-	8388608 => 24743936,
-	16777216 => 37326848,
+	131072 => 10612736,
+	262144 => 10612736,
+	524288 => 12189696,
+	1048576 => 12709888,
+	2097152 => 14811136,
+	4194304 => 19009536,
+	8388608 => 25300992,
+	16777216 => 37883904,
 );
 for($size = $minSize; $size <= $maxSize; $size *= 2) {
 	$content = str_repeat('0', $size);