diff --git a/file.spec b/file.spec
index db68119..3799608 100644
--- a/file.spec
+++ b/file.spec
@@ -132,7 +132,7 @@ to develop applications that require the magic "file" interface.
 %patch37 -p1 -b .getenv
 %patch39 -p1 -b .btrfs
 %patch40 -p1 -b .readlinkat
-%patch42 -p1 -b .af
+%patch42 -p0 -b .af
 %patch -b .0
 test -s src/magic.h.in || cp -p src/magic.h src/magic.h.in
 rm -fv src/magic.h