diff --git a/package/libzlib/libzlib.hash b/package/libzlib/libzlib.hash
index e6ca974e2f..8bf7bcf61b 100644
--- a/package/libzlib/libzlib.hash
+++ b/package/libzlib/libzlib.hash
@@ -1,4 +1,4 @@
 # From http://www.zlib.net/
-sha256  7db46b8d7726232a621befaab4a1c870f00a90805511c0e0090441dac57def18  zlib-1.2.12.tar.xz
+sha256  91844808532e5ce316b3c010929493c0244f3d37593afd6de04f71821d5136d9  zlib-1.2.12.tar.gz
 # License files, locally calculated
 sha256  fc2c3368901700f0acdeb1d8afeaca5923296768ec6824ecdf627aac396001fd  README
diff --git a/package/libzlib/libzlib.mk b/package/libzlib/libzlib.mk
index f75502326b..e4437d0bfa 100644
--- a/package/libzlib/libzlib.mk
+++ b/package/libzlib/libzlib.mk
@@ -5,8 +5,8 @@
 ################################################################################
 
 LIBZLIB_VERSION = 1.2.12
-LIBZLIB_SOURCE = zlib-$(LIBZLIB_VERSION).tar.xz
-LIBZLIB_SITE = http://www.zlib.net
+LIBZLIB_SOURCE = zlib-$(LIBZLIB_VERSION).tar.gz
+LIBZLIB_SITE = http://www.zlib.net/fossils
 LIBZLIB_LICENSE = Zlib
 LIBZLIB_LICENSE_FILES = README
 LIBZLIB_INSTALL_STAGING = YES