diff --git a/Rectangle/Defaults.swift b/Rectangle/Defaults.swift
index 04ac7d84c..43cc267d6 100644
--- a/Rectangle/Defaults.swift
+++ b/Rectangle/Defaults.swift
@@ -16,6 +16,7 @@ class Defaults {
     static let subsequentExecutionMode = SubsequentExecutionDefault()
     static let allowAnyShortcut = BoolDefault(key: "allowAnyShortcut")
     static let windowSnapping = OptionalBoolDefault(key: "windowSnapping")
+    static let debug = BoolDefault(key: "debug")
 }
 
 class BoolDefault {
diff --git a/Rectangle/WindowManager.swift b/Rectangle/WindowManager.swift
index 52b78b254..80cec7c1e 100644
--- a/Rectangle/WindowManager.swift
+++ b/Rectangle/WindowManager.swift
@@ -7,6 +7,7 @@
 //
 
 import Cocoa
+import os.log
 
 class WindowManager {
 
@@ -111,6 +112,10 @@ class WindowManager {
             rect: resultingRect,
             count: newCount
         )
+        
+        if Defaults.debug.enabled {
+            os_log("%{PUBLIC}@ | display: %{PUBLIC}@, calculatedRect: %{PUBLIC}@, resultRect: %{PUBLIC}@", type: .debug, action.name, visibleFrameOfDestinationScreen.debugDescription, newNormalizedRect.debugDescription, resultingRect.debugDescription)
+        }
     }
 }