diff --git a/src/engine/workthreads/HourlyJobThread.java b/src/engine/workthreads/HourlyJobThread.java
index dbf17e0c..550f103a 100644
--- a/src/engine/workthreads/HourlyJobThread.java
+++ b/src/engine/workthreads/HourlyJobThread.java
@@ -139,6 +139,8 @@ public class HourlyJobThread implements Runnable {
         // We can early exit here.
 
         if (mineBuilding.getRank() > 0) {
+            Logger.debug("Mine still standing when closing window. Mine Object UUID: " + mine.getObjectUUID() + " Building Id: " + mine.getBuildingID());
+
             mine.setActive(false);
             mine.lastClaimer = null;
             return true;
@@ -149,6 +151,8 @@ public class HourlyJobThread implements Runnable {
         // and keep the window open.
 
         if (!Mine.validateClaimer(mine.lastClaimer)) {
+            Logger.debug("Mine has no valid claimer when closing window. Mine Object UUID: " + mine.getObjectUUID() + " Building Id: " + mine.getBuildingID());
+
             mine.lastClaimer = null;
             mine.updateGuildOwner(null);
             mine.setActive(true);
@@ -157,6 +161,8 @@ public class HourlyJobThread implements Runnable {
 
         //Update ownership to map
 
+        Logger.debug("Mine ownership changing when closing window. Mine Object UUID: " + mine.getObjectUUID() + " Building Id: " + mine.getBuildingID() + " new owning guild: " + mine.getOwningGuild().getObjectUUID());
+
         mine.guildName = mine.getOwningGuild().getName();
         mine.guildTag = mine.getOwningGuild().getGuildTag();
         Guild nation = mine.getOwningGuild().getNation();