diff --git a/src/gui/jtk/Jtk_event.cc b/src/gui/jtk/Jtk_event.cc
index 5d390ea..ebc1ab8 100644
--- a/src/gui/jtk/Jtk_event.cc
+++ b/src/gui/jtk/Jtk_event.cc
@@ -350,7 +350,16 @@ static bool ProcessXEvent(XEvent * x_event, Jtk_Event * event)
         break;
 
     case Expose:
-        break;
+        event->type = JTK_EVENT_WINDOW_EXPOSE;
+        return true;
+
+    case GraphicsExpose:
+        event->type = JTK_EVENT_WINDOW_EXPOSE;
+        return true;
+
+    case MapNotify:
+        event->type = JTK_EVENT_WINDOW_EXPOSE;
+        return true;
 
     case ConfigureNotify:
         return ProcessConfigureEvent(x_event, event);