diff --git a/src/main/java/xyz/oribuin/eternaltags/manager/CategoryManager.java b/src/main/java/xyz/oribuin/eternaltags/manager/CategoryManager.java
index 6d9943a..ec9586e 100644
--- a/src/main/java/xyz/oribuin/eternaltags/manager/CategoryManager.java
+++ b/src/main/java/xyz/oribuin/eternaltags/manager/CategoryManager.java
@@ -95,7 +95,7 @@ public Category getFirst(CategoryType categoryType) {
      * @return The category
      */
     public Category getCategory(String id) {
-        if (this.cachedCategories.isEmpty()) return null;
+        if (this.cachedCategories.isEmpty() || id == null) return null;
 
         return this.cachedCategories.get(id.toLowerCase());
     }