diff --git a/ui/dbus-listener.c b/ui/dbus-listener.c
index eca6890ce6..7142afcddb 100644
--- a/ui/dbus-listener.c
+++ b/ui/dbus-listener.c
@@ -1089,6 +1089,7 @@ dbus_display_listener_new(const char *bus_name,
     ddl->console = console;
 
     dbus_display_listener_setup_shared_map(ddl);
+    trace_dbus_can_share_map(ddl->can_share_map);
     dbus_display_listener_setup_d3d11(ddl);
 
     con = qemu_console_lookup_by_index(dbus_display_console_get_index(console));
diff --git a/ui/trace-events b/ui/trace-events
index fb253c1666..3da0d5e280 100644
--- a/ui/trace-events
+++ b/ui/trace-events
@@ -166,6 +166,7 @@ dbus_clipboard_unregister(const char *bus_name) "peer %s"
 dbus_scanout_texture(uint32_t tex_id, bool backing_y_0_top, uint32_t backing_width, uint32_t backing_height, uint32_t x, uint32_t y, uint32_t w, uint32_t h) "tex_id:%u y0top:%d back:%ux%u %u+%u-%ux%u"
 dbus_gl_gfx_switch(void *p) "surf: %p"
 dbus_filter(unsigned int serial, unsigned int filter) "serial=%u (<= %u)"
+dbus_can_share_map(bool share) "can_share_map: %d"
 
 # egl-helpers.c
 egl_init_d3d11_device(void *p) "d3d device: %p"