diff --git a/textproc/ibus/Makefile b/textproc/ibus/Makefile
index 966f9c77feb6..7d7d2efa1c0b 100644
--- a/textproc/ibus/Makefile
+++ b/textproc/ibus/Makefile
@@ -3,6 +3,7 @@
 
 PORTNAME=	ibus
 PORTVERSION=	1.5.22
+PORTREVISION=	1
 CATEGORIES=	textproc
 
 MAINTAINER=	henry.hu.sh@gmail.com
diff --git a/textproc/ibus/files/patch-ui_gtk3_application.vala b/textproc/ibus/files/patch-ui_gtk3_application.vala
new file mode 100644
index 000000000000..867bca6b7cf3
--- /dev/null
+++ b/textproc/ibus/files/patch-ui_gtk3_application.vala
@@ -0,0 +1,20 @@
+--- ui/gtk3/application.vala.orig	2020-02-21 12:43:01 UTC
++++ ui/gtk3/application.vala
+@@ -69,7 +69,7 @@ class Application {
+     }
+ 
+     private void bus_name_acquired_cb(DBusConnection connection,
+-                                      string sender_name,
++                                      string? sender_name,
+                                       string object_path,
+                                       string interface_name,
+                                       string signal_name,
+@@ -80,7 +80,7 @@ class Application {
+     }
+ 
+     private void bus_name_lost_cb(DBusConnection connection,
+-                                  string sender_name,
++                                  string? sender_name,
+                                   string object_path,
+                                   string interface_name,
+                                   string signal_name,