diff --git a/source/core/src/main/com/csse3200/game/entities/configs/GhostKingConfig.java b/source/core/src/main/com/csse3200/game/entities/configs/GhostKingConfig.java
index 4980fe63..631562df 100644
--- a/source/core/src/main/com/csse3200/game/entities/configs/GhostKingConfig.java
+++ b/source/core/src/main/com/csse3200/game/entities/configs/GhostKingConfig.java
@@ -4,5 +4,5 @@
  * Defines the properties stored in ghost king config files to be loaded by the NPC Factory.
  */
 public class GhostKingConfig extends BaseEntityConfig {
-  public int spookyFactor = 0;
+  public static final int spookyFactor = 0;
 }