diff --git a/docs/userguide b/docs/userguide
index e596aeae..69f7da92 100644
--- a/docs/userguide
+++ b/docs/userguide
@@ -1657,7 +1657,7 @@ window_role::
 window_type::
 	Compare the window type (_NET_WM_WINDOW_TYPE). Possible values are
 	+normal+, +dialog+, +utility+, +toolbar+, +splash+, +menu+, +dropdown_menu+,
-	+popup_menu+ and +tooltip+.
+	+popup_menu+, +tooltip+ and +notification+.
 id::
 	Compares the X11 window ID, which you can get via +xwininfo+ for example.
 title::
diff --git a/include/atoms.xmacro b/include/atoms.xmacro
index 8798528a..139b6efb 100644
--- a/include/atoms.xmacro
+++ b/include/atoms.xmacro
@@ -20,6 +20,7 @@ xmacro(_NET_WM_WINDOW_TYPE_MENU)
 xmacro(_NET_WM_WINDOW_TYPE_DROPDOWN_MENU)
 xmacro(_NET_WM_WINDOW_TYPE_POPUP_MENU)
 xmacro(_NET_WM_WINDOW_TYPE_TOOLTIP)
+xmacro(_NET_WM_WINDOW_TYPE_NOTIFICATION)
 xmacro(_NET_WM_DESKTOP)
 xmacro(_NET_WM_STRUT_PARTIAL)
 xmacro(_NET_CLIENT_LIST)
diff --git a/src/match.c b/src/match.c
index caeb909f..bbb239ac 100644
--- a/src/match.c
+++ b/src/match.c
@@ -330,6 +330,8 @@ void match_parse_property(Match *match, const char *ctype, const char *cvalue) {
             match->window_type = A__NET_WM_WINDOW_TYPE_POPUP_MENU;
         } else if (strcasecmp(cvalue, "tooltip") == 0) {
             match->window_type = A__NET_WM_WINDOW_TYPE_TOOLTIP;
+        } else if (strcasecmp(cvalue, "notification") == 0) {
+            match->window_type = A__NET_WM_WINDOW_TYPE_NOTIFICATION;
         } else {
             ELOG("unknown window_type value \"%s\"\n", cvalue);
             match->error = sstrdup("unknown window_type value");
diff --git a/src/xcb.c b/src/xcb.c
index 07f9281a..9d181cfa 100644
--- a/src/xcb.c
+++ b/src/xcb.c
@@ -175,7 +175,8 @@ xcb_atom_t xcb_get_preferred_window_type(xcb_get_property_reply_t *reply) {
             atoms[i] == A__NET_WM_WINDOW_TYPE_MENU ||
             atoms[i] == A__NET_WM_WINDOW_TYPE_DROPDOWN_MENU ||
             atoms[i] == A__NET_WM_WINDOW_TYPE_POPUP_MENU ||
-            atoms[i] == A__NET_WM_WINDOW_TYPE_TOOLTIP) {
+            atoms[i] == A__NET_WM_WINDOW_TYPE_TOOLTIP ||
+            atoms[i] == A__NET_WM_WINDOW_TYPE_NOTIFICATION) {
             return atoms[i];
         }
     }
diff --git a/testcases/t/165-for_window.t b/testcases/t/165-for_window.t
index 476bcc9f..025fe21c 100644
--- a/testcases/t/165-for_window.t
+++ b/testcases/t/165-for_window.t
@@ -380,7 +380,8 @@ my %window_types = (
     'menu'          => '_NET_WM_WINDOW_TYPE_MENU',
     'dropdown_menu' => '_NET_WM_WINDOW_TYPE_DROPDOWN_MENU',
     'popup_menu'    => '_NET_WM_WINDOW_TYPE_POPUP_MENU',
-    'tooltip'       => '_NET_WM_WINDOW_TYPE_TOOLTIP'
+    'tooltip'       => '_NET_WM_WINDOW_TYPE_TOOLTIP',
+    'notification'  => '_NET_WM_WINDOW_TYPE_NOTIFICATION'
 );
 
 while (my ($window_type, $atom) = each %window_types) {
diff --git a/testcases/t/232-cmd-move-criteria.t b/testcases/t/232-cmd-move-criteria.t
index c023bca4..787f72b3 100644
--- a/testcases/t/232-cmd-move-criteria.t
+++ b/testcases/t/232-cmd-move-criteria.t
@@ -54,7 +54,8 @@ my %window_types = (
     'menu'          => '_NET_WM_WINDOW_TYPE_MENU',
     'dropdown_menu' => '_NET_WM_WINDOW_TYPE_DROPDOWN_MENU',
     'popup_menu'    => '_NET_WM_WINDOW_TYPE_POPUP_MENU',
-    'tooltip'       => '_NET_WM_WINDOW_TYPE_TOOLTIP'
+    'tooltip'       => '_NET_WM_WINDOW_TYPE_TOOLTIP',
+    'notification'  => '_NET_WM_WINDOW_TYPE_NOTIFICATION'
 );
 
 while (my ($window_type, $atom) = each %window_types) {