diff --git a/gzip.changes b/gzip.changes
index e75d53a..4f7df65 100644
--- a/gzip.changes
+++ b/gzip.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed Sep  2 14:12:24 UTC 2020 - Kristyna Streitova <kstreitova@suse.com>
+
+- Enable DFLTCC compression for s390x for levels 1-6 (i. e. to make
+  it used by default) by adding -DDFLTCC_LEVEL_MASK=0x7e to CLFAGS.
+  [jsc#SLE-13775]
+
 -------------------------------------------------------------------
 Tue Aug 27 10:11:19 UTC 2019 - Kristyna Streitova <kstreitova@suse.com>
 
diff --git a/gzip.spec b/gzip.spec
index ad34f70..6171900 100644
--- a/gzip.spec
+++ b/gzip.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package gzip
 #
-# Copyright (c) 2019 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2020 SUSE LLC
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -67,6 +67,7 @@ export LDFLAGS="-pie"
 # added because of gzip-1.10-ibm_dfltcc_support.patch [jsc#SLE-5818]
 %ifarch s390x
 autoreconf -f -i
+export CFLAGS="$CFLAGS -DDFLTCC_LEVEL_MASK=0x7e"
 %endif
 %configure --disable-silent-rules \
   gl_cv_func_printf_directive_n=yes \