diff --git a/plotutils.changes b/plotutils.changes
index 30478b4..40f84ad 100644
--- a/plotutils.changes
+++ b/plotutils.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Sat Apr 29 18:10:52 UTC 2017 - bwiedemann@suse.com
+
+- Call gzip -n to make build fully reproducible
+
 -------------------------------------------------------------------
 Mon Oct  6 17:39:33 UTC 2014 - crrodriguez@opensuse.org
 
diff --git a/plotutils.spec b/plotutils.spec
index e0eabbe..b917a02 100644
--- a/plotutils.spec
+++ b/plotutils.spec
@@ -166,7 +166,7 @@ install -m 0644\
 #
 install -d %{buildroot}%{_miscfontsdir}
 install -m 0644 fonts/pcf/*.pcf %{buildroot}%{_miscfontsdir}
-gzip -9 %{buildroot}%{_miscfontsdir}/*.pcf
+gzip -n -9 %{buildroot}%{_miscfontsdir}/*.pcf
 #
 install -m 0644 manpage.1 %{buildroot}%{_mandir}/man1/plotutils.1
 ln -s plotutils.1.gz %{buildroot}%{_mandir}/man1/double.1.gz