diff --git a/flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLaf.properties b/flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLaf.properties
index e545d990..6624ee2d 100644
--- a/flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLaf.properties
+++ b/flatlaf-core/src/main/resources/com/formdev/flatlaf/FlatLaf.properties
@@ -580,6 +580,7 @@ TitlePane.iconSize=16,16
 TitlePane.iconMargins=3,8,3,0
 TitlePane.titleMargins=3,8,3,8
 TitlePane.buttonSize=44,30
+TitlePane.buttonMaximizedHeight=22
 TitlePane.closeIcon=com.formdev.flatlaf.icons.FlatWindowCloseIcon
 TitlePane.iconifyIcon=com.formdev.flatlaf.icons.FlatWindowIconifyIcon
 TitlePane.maximizeIcon=com.formdev.flatlaf.icons.FlatWindowMaximizeIcon