diff --git a/putty.changes b/putty.changes
index cd9fb11..7c6f36a 100644
--- a/putty.changes
+++ b/putty.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Jun  7 03:56:51 UTC 2018 - jnwang@suse.com
+
+- Turn on -DNOT_X_WINDOWS, for Wayland system.
+
 -------------------------------------------------------------------
 Sat Mar  3 16:13:59 UTC 2018 - jengelh@inai.de
 
diff --git a/putty.spec b/putty.spec
index ae3cea2..403d3a1 100644
--- a/putty.spec
+++ b/putty.spec
@@ -49,7 +49,7 @@ serial console client.
 %patch -P 1 -P 3 -p1
 
 %build
-export CFLAGS="%optflags -Wno-error"
+export CFLAGS="%optflags -Wno-error -DNOT_X_WINDOWS"
 %configure
 make %{?_smp_mflags}
 make %{?_smp_mflags} -C icons cicons pngs