diff --git a/src/main/java/net/knarcraft/paidsigns/manager/TrackedSignManager.java b/src/main/java/net/knarcraft/paidsigns/manager/TrackedSignManager.java
index 930ebc6..ba6df88 100644
--- a/src/main/java/net/knarcraft/paidsigns/manager/TrackedSignManager.java
+++ b/src/main/java/net/knarcraft/paidsigns/manager/TrackedSignManager.java
@@ -5,6 +5,7 @@ import net.knarcraft.paidsigns.container.TrackedSign;
 import org.bukkit.Bukkit;
 import org.bukkit.Location;
 import org.bukkit.OfflinePlayer;
+import org.bukkit.block.Sign;
 import org.bukkit.configuration.ConfigurationSection;
 import org.bukkit.configuration.InvalidConfigurationException;
 import org.bukkit.configuration.file.YamlConfiguration;
@@ -107,6 +108,13 @@ public final class TrackedSignManager {
             throw new InvalidConfigurationException("Invalid sign coordinates");
         }
 
+        //Prevent destroyed signs from being tracked indefinitely
+        if (!(signLocation.getBlock().getState() instanceof Sign)) {
+            PaidSigns.getInstance().getLogger().log(Level.WARNING, "The sign at " + signLocation + " no longer " +
+                    "exists. Removing from sign tracker.");
+            return;
+        }
+
         double cost = signSection.getDouble(key + ".cost");
         UUID playerId = UUID.fromString(Objects.requireNonNull(signSection.getString(key + ".playerId")));