diff --git a/README.org b/README.org
index d2856d0..f34df83 100644
--- a/README.org
+++ b/README.org
@@ -689,6 +689,7 @@ awful.rules.rules = {
         -- and the name shown there might not match defined rules here.
         name = {
           "Event Tester",  -- xev.
+          "Picture in picture",
         },
         role = {
           "AlarmWindow",  -- Thunderbird's calendar.
diff --git a/rc.lua b/rc.lua
index 010633f..097fd30 100644
--- a/rc.lua
+++ b/rc.lua
@@ -489,6 +489,7 @@ awful.rules.rules = {
         -- and the name shown there might not match defined rules here.
         name = {
           "Event Tester",  -- xev.
+          "Picture in picture",
         },
         role = {
           "AlarmWindow",  -- Thunderbird's calendar.