diff --git a/java/openjdk17/files/patch-src_java.desktop_unix_classes_sun_awt_X11GraphicsEnvironment.java b/java/openjdk17/files/patch-src_java.desktop_unix_classes_sun_awt_X11GraphicsEnvironment.java
new file mode 100644
index 000000000000..7019cf8b290d
--- /dev/null
+++ b/java/openjdk17/files/patch-src_java.desktop_unix_classes_sun_awt_X11GraphicsEnvironment.java
@@ -0,0 +1,11 @@
+--- src/java.desktop/unix/classes/sun/awt/X11GraphicsEnvironment.java
++++ src/java.desktop/unix/classes/sun/awt/X11GraphicsEnvironment.java
+@@ -232,7 +232,7 @@ public final class X11GraphicsEnvironment extends SunGraphicsEnvironment {
+             throw new AWTError("no screen devices");
+         }
+         int index = getDefaultScreenNum();
+-        mainScreen = 0 < index && index < screens.length ? index : 0;
++        mainScreen = 0 < index && index < numScreens ? index : 0;
+ 
+         for (int id = 0; id < numScreens; ++id) {
+             devices.put(id, old.containsKey(id) ? old.remove(id) :