diff --git a/sys-libs/zlib/patches/zlib-1.3.1.patchset b/sys-libs/zlib/patches/zlib-1.3.patchset
similarity index 64%
rename from sys-libs/zlib/patches/zlib-1.3.1.patchset
rename to sys-libs/zlib/patches/zlib-1.3.patchset
index b4d91f265..77b632aec 100644
--- a/sys-libs/zlib/patches/zlib-1.3.1.patchset
+++ b/sys-libs/zlib/patches/zlib-1.3.patchset
@@ -1,21 +1,23 @@
-From b04dd97c93ff8324d3ceddf027cb0d2ba6c58be7 Mon Sep 17 00:00:00 2001
+From b377ee6e36d81ad0bd845cd5eb44b2beb3879db2 Mon Sep 17 00:00:00 2001
 From: Adrien Destugues <pulkomandy@pulkomandy.tk>
 Date: Sun, 28 Aug 2016 18:33:07 +0200
 Subject: zlib: export Haiku shared object symbols
 
 
 diff --git a/zlib.map b/zlib.map
-index 31544f2..de41ad6 100644
+index b330b60..27a40f6 100644
 --- a/zlib.map
 +++ b/zlib.map
-@@ -6,6 +6,7 @@ ZLIB_1.2.0 {
-     inflateBackEnd;
-     inflateBackInit_;
-     inflateCopy;
+@@ -5,7 +5,8 @@ ZLIB_1.2.0 {
+     inflateBack;
+     inflateBackEnd;
+     inflateBackInit_;
+-    inflateCopy;
++    inflateCopy;
 +    _gSharedObjectHaiku*;
-   local:
-     deflate_copyright;
-     inflate_copyright;
+   local:
+     deflate_copyright;
+     inflate_copyright;
 -- 
-2.43.2
+2.42.1
 
diff --git a/sys-libs/zlib/zlib-1.3.1.recipe b/sys-libs/zlib/zlib-1.3.recipe
similarity index 96%
rename from sys-libs/zlib/zlib-1.3.1.recipe
rename to sys-libs/zlib/zlib-1.3.recipe
index 2163566b6..da64603b7 100644
--- a/sys-libs/zlib/zlib-1.3.1.recipe
+++ b/sys-libs/zlib/zlib-1.3.recipe
@@ -14,7 +14,7 @@ COPYRIGHT="1995-2017 Jean-loup Gailly and Mark Adler"
 LICENSE="Zlib"
 REVISION="1"
 SOURCE_URI="https://zlib.net/fossils/zlib-$portVersion.tar.gz"
-CHECKSUM_SHA256="9a93b2b7dfdac77ceba5a558a580e74667dd6fede4585b91eefb60f03b72df23"
+CHECKSUM_SHA256="ff0ba4c292013dbc27530b3a81e1f9a813cd39de01ca5e0f8bf355702efa593e"
 PATCHES="zlib-$portVersion.patchset"
 
 ARCHITECTURES="all ?ppc"