diff --git a/fuse-2.9.7-buffer-size.patch b/fuse-2.9.7-buffer-size.patch
new file mode 100644
index 0000000..f7f1ea7
--- /dev/null
+++ b/fuse-2.9.7-buffer-size.patch
@@ -0,0 +1,24 @@
+diff -up libfuse-fuse-2.9.7/lib/fuse_kern_chan.c.buffer_size libfuse-fuse-2.9.7/lib/fuse_kern_chan.c
+--- libfuse-fuse-2.9.7/lib/fuse_kern_chan.c.buffer_size	2016-06-20 21:55:12.000000000 +0200
++++ libfuse-fuse-2.9.7/lib/fuse_kern_chan.c	2018-11-09 11:58:18.942124327 +0100
+@@ -83,7 +83,10 @@ static void fuse_kern_chan_destroy(struc
+ 		close(fd);
+ }
+ 
+-#define MIN_BUFSIZE 0x21000
++#define KERNEL_BUF_PAGES 32
++
++/* room needed in buffer to accommodate header */
++#define HEADER_SIZE 0x1000
+ 
+ struct fuse_chan *fuse_kern_chan_new(int fd)
+ {
+@@ -92,7 +95,6 @@ struct fuse_chan *fuse_kern_chan_new(int
+ 		.send = fuse_kern_chan_send,
+ 		.destroy = fuse_kern_chan_destroy,
+ 	};
+-	size_t bufsize = getpagesize() + 0x1000;
+-	bufsize = bufsize < MIN_BUFSIZE ? MIN_BUFSIZE : bufsize;
++	size_t bufsize = KERNEL_BUF_PAGES * getpagesize() + HEADER_SIZE;
+ 	return fuse_chan_new(&op, fd, bufsize, NULL);
+ }
diff --git a/fuse.spec b/fuse.spec
index a9d4a59..1417308 100644
--- a/fuse.spec
+++ b/fuse.spec
@@ -4,7 +4,7 @@
 
 Name:		fuse
 Version:	%{fuse2ver}
-Release:	14%{?dist}
+Release:	15%{?dist}
 Summary:	File System in Userspace (FUSE) v2 utilities
 License:	GPL+
 URL:		http://fuse.sf.net
@@ -19,6 +19,9 @@ Patch2:		fuse-0001-More-parentheses.patch
 # https://bugzilla.redhat.com/show_bug.cgi?id=970768
 Patch3:		fuse-2.9.2-namespace-conflict-fix.patch
 Patch4:		fuse-3.2.1-no-dev.patch
+# https://github.com/libfuse/libfuse/commit/4f8f034a8969a48f210bf00be78a67cfb6964c72
+# backported for fuse2
+Patch5:		fuse-2.9.7-buffer-size.patch
 
 Requires:	which
 Conflicts:	filesystem < 3
@@ -116,6 +119,7 @@ pushd lib%{name}-%{name}-%{fuse2ver}
 sed -i 's|mknod|echo Disabled: mknod |g' util/Makefile.in
 %patch2 -p1 -b .add_parentheses
 %patch3 -p1 -b .conflictfix
+%patch5 -p1 -b .buffer_size
 popd
 
 %build
@@ -231,6 +235,9 @@ rm -f %{buildroot}/usr/lib/udev/rules.d/99-fuse3.rules
 %{_includedir}/fuse3/
 
 %changelog
+* Fri Nov 09 2018 Dan Horák <dan[at]danny.cz> - 2.9.7-15
+- backport buffer-size patch to fuse2
+
 * Fri Jul 13 2018 Fedora Release Engineering <releng@fedoraproject.org> - 2.9.7-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_29_Mass_Rebuild