diff --git a/terminator b/terminator
index d3799856..1890d68a 100755
--- a/terminator
+++ b/terminator
@@ -49,6 +49,11 @@ from terminatorlib.util import dbg, err
 from terminatorlib.layoutlauncher import LayoutLauncher
 
 if __name__ == '__main__':
+    # Workaround for IBus intefering with broadcast when using dead keys
+    # Environment also needs IBUS_DISABLE_SNOOPER=1, or double chars appear
+    # in the receivers.
+    os.environ['IBUS_DISABLE_SNOOPER']='1'
+
     dbus_service = None
 
     dbg ("%s starting up, version %s" % (APP_NAME, APP_VERSION))
diff --git a/terminatorlib/terminal.py b/terminatorlib/terminal.py
index 916a9d37..3c4d5bd1 100755
--- a/terminatorlib/terminal.py
+++ b/terminatorlib/terminal.py
@@ -836,6 +836,13 @@ class Terminal(Gtk.VBox):
             dbg('Terminal::on_keypress: Called on %s with no event' % widget)
             return(False)
 
+        # Workaround for IBus intefering with broadcast when using dead keys
+        # Environment also needs IBUS_DISABLE_SNOOPER=1, or double chars appear
+        # in the receivers.
+        if (event.state | Gdk.ModifierType.MODIFIER_MASK ) ^ Gdk.ModifierType.MODIFIER_MASK != 0:
+            dbg('Terminal::on_keypress: Ingore processed event with event.state %d' % event.state)
+            return(False)
+
         # FIXME: Does keybindings really want to live in Terminator()?
         mapping = self.terminator.keybindings.lookup(event)