diff --git a/ibus-vala-0.36.patch b/ibus-vala-0.36.patch
new file mode 100644
index 0000000..00fd895
--- /dev/null
+++ b/ibus-vala-0.36.patch
@@ -0,0 +1,62 @@
+diff --git a/ui/gtk3/indicator.vala b/ui/gtk3/indicator.vala
+index dac72b49..7da0fa92 100644
+--- a/ui/gtk3/indicator.vala
++++ b/ui/gtk3/indicator.vala
+@@ -139,12 +139,17 @@ class Indicator : IBus.Service
+         m_watcher_interface_info =
+                 m_watcher_node_info.lookup_interface(
+                         NOTIFICATION_WATCHER_DBUS_IFACE);
+-        check_connect();
++        try {
++            check_connect();
++        } catch (GLib.IOError e) {
++            warning("Failed to call dbus proxy: " + e.message);
++            return;
++        }
+     }
+ 
+-    private void check_connect() {
++    private async void check_connect() throws IOError {
+         if (m_proxy == null) {
+-            GLib.DBusProxy.new.begin(
++            m_proxy = yield new GLib.DBusProxy(
+                     connection,
+                     GLib.DBusProxyFlags.DO_NOT_LOAD_PROPERTIES |
+                             GLib.DBusProxyFlags.DO_NOT_CONNECT_SIGNALS,
+@@ -152,23 +157,7 @@ class Indicator : IBus.Service
+                     NOTIFICATION_WATCHER_DBUS_ADDR,
+                     NOTIFICATION_WATCHER_DBUS_OBJ,
+                     NOTIFICATION_WATCHER_DBUS_IFACE,
+-                    null,
+-                    (obj, res) => {
+-                            bus_watcher_ready(obj, res);
+-                    });
+-        } else {
+-            bus_watcher_ready(null, null);
+-        }
+-    }
+-
+-    private void bus_watcher_ready(GLib.Object? obj, GLib.AsyncResult? res) {
+-        if (res != null) {
+-            try {
+-                m_proxy = GLib.DBusProxy.new.end(res);
+-            } catch (GLib.IOError e) {
+-                warning("Failed to call dbus proxy: " + e.message);
+-                return;
+-            }
++                    null);
+ 
+             m_proxy.notify["g-name-owner"].connect((obj, pspec) => {
+                     var name = m_proxy.get_name_owner();
+@@ -176,7 +165,10 @@ class Indicator : IBus.Service
+                         check_connect();
+             });
+         }
++        bus_watcher_ready();
++    }
+ 
++    private void bus_watcher_ready() {
+         var name = m_proxy.get_name_owner();
+         // KDE panel does not run yet if name == null
+         if (name == null)
+
diff --git a/ibus.changes b/ibus.changes
index 05dd4aa..516a8e9 100644
--- a/ibus.changes
+++ b/ibus.changes
@@ -1,3 +1,10 @@
+-------------------------------------------------------------------
+Wed Mar  1 13:16:08 UTC 2017 - dimstar@opensuse.org
+
+- Add ibus-vala-0.36.patch: Fix build with vala 0.36, which is
+  stricter in its binding usage. Patch only respective vala
+  versions.
+
 -------------------------------------------------------------------
 Wed Dec 28 15:04:47 UTC 2016 - hillwood@opensuse.org
 
diff --git a/ibus.spec b/ibus.spec
index 31329e8..a7b7983 100644
--- a/ibus.spec
+++ b/ibus.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package ibus
 #
-# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -73,6 +73,8 @@ Patch10:        hide-setup-menu.patch
 # PATCH-FIX-SLE setup-switch-im.patch bnc#899259  qzhao@suse.com
 # switch to ibus when ibus not running.
 Patch11:        setup-switch-im.patch
+# PATCH-FIX-UPSTREAM ibus-vala-0.36.patch dimstar@opensuse.org -- Fix build with vala 0.36
+Patch12:        ibus-vala-0.36.patch
 BuildRequires:  dbus-1-glib-devel
 BuildRequires:  dbus-1-python-devel >= 0.83.0
 BuildRequires:  dconf-devel >= 0.7.5
@@ -262,6 +264,9 @@ sed -i \
 %patch10 -p1
 %patch11 -p1
 %endif
+if pkg-config --atleast-version 0.35 vapigen; then
+%patch12 -p1
+fi
 
 cp -r %{SOURCE2} .
 cp -r %{SOURCE3} .