diff --git a/Sources/KeyboardLayoutGuide/KeyboardLayoutGuide.swift b/Sources/KeyboardLayoutGuide/KeyboardLayoutGuide.swift
index 11e097f..2e54760 100644
--- a/Sources/KeyboardLayoutGuide/KeyboardLayoutGuide.swift
+++ b/Sources/KeyboardLayoutGuide/KeyboardLayoutGuide.swift
@@ -127,7 +127,11 @@ open class KeyboardLayoutGuide: UILayoutGuide {
                 height -= bottomDifference
             }
 
-
+			guard height != .infinity else {
+				// When the app is running in multiple windows, it can happen that both windows are `foregroundActive`
+				// and the intersection frame's origin can become infinite as the owning view is in the other window and the app would crash.
+				return
+			}
             heightConstraint?.constant = height
             if duration > 0.0 {
                 animate(note)