diff --git a/api/src/main/java/com/viaversion/viaversion/api/minecraft/item/data/StatePropertyMatcher.java b/api/src/main/java/com/viaversion/viaversion/api/minecraft/item/data/StatePropertyMatcher.java
index b4cb23e7a..820122670 100644
--- a/api/src/main/java/com/viaversion/viaversion/api/minecraft/item/data/StatePropertyMatcher.java
+++ b/api/src/main/java/com/viaversion/viaversion/api/minecraft/item/data/StatePropertyMatcher.java
@@ -85,11 +85,11 @@ public final class StatePropertyMatcher {
             this.maxValue = maxValue;
         }
 
-        public String minValue() {
+        public @Nullable String minValue() {
             return minValue;
         }
 
-        public String maxValue() {
+        public @Nullable String maxValue() {
             return maxValue;
         }
     }