diff --git a/src/main/java/com/songoda/epicfurnaces/gui/GUIOverview.java b/src/main/java/com/songoda/epicfurnaces/gui/GUIOverview.java
index bfc6d4d..bec02ca 100644
--- a/src/main/java/com/songoda/epicfurnaces/gui/GUIOverview.java
+++ b/src/main/java/com/songoda/epicfurnaces/gui/GUIOverview.java
@@ -189,7 +189,10 @@ public class GUIOverview extends Gui {
     }
 
     private void runTask() {
-        task = Bukkit.getScheduler().scheduleSyncRepeatingTask(plugin, this::constructGUI, 5L, 5L);
+        task = Bukkit.getScheduler().scheduleSyncRepeatingTask(plugin, () -> {
+            if (inventory.getViewers().size() != 0)
+                this.constructGUI();
+        }, 5L, 5L);
     }
 
     List<String> getFurnaceDescription(Furnace furnace, Level level, Level nextLevel) {