diff --git a/src/main/java/org/spongepowered/common/registry/VanillaRegistryLoader.java b/src/main/java/org/spongepowered/common/registry/VanillaRegistryLoader.java
index fc3abb1c7e5..56afa69c2ac 100644
--- a/src/main/java/org/spongepowered/common/registry/VanillaRegistryLoader.java
+++ b/src/main/java/org/spongepowered/common/registry/VanillaRegistryLoader.java
@@ -207,7 +207,7 @@ private void loadEnumRegistries() {
         this.knownName(RegistryTypes.BANNER_PATTERN_SHAPE, BannerPattern.values(), b -> ((BannerPatternAccessor) (Object) b).accessor$filename());
         this.automaticName(RegistryTypes.TROPICAL_FISH_SHAPE, TropicalFish.Pattern.values());
         this.automaticName(RegistryTypes.HEIGHT_TYPE, Heightmap.Types.values());
-        this.knownName(RegistryTypes.ENTITY_CATEGORY, MobCategory.values(), MobCategory::getName);
+        this.knownName(RegistryTypes.ENTITY_CATEGORY, MobCategory.values(), VanillaRegistryLoader.sanitizedName(MobCategory::getName));
     }
 
     private static RegistryLoader<Criterion> criterion() {
@@ -293,7 +293,7 @@ private static RegistryLoader<Trigger<?>> trigger() {
 
     @SuppressWarnings("UnusedReturnValue")
     private <A, I extends Enum<I>> Registry<A> automaticName(final RegistryType<A> type, final I[] values) {
-        return this.naming(type, values, value -> value.name().toLowerCase(Locale.ROOT));
+        return this.naming(type, values, VanillaRegistryLoader.sanitizedName(Enum::name));
     }
 
     @SuppressWarnings("UnusedReturnValue")
@@ -363,4 +363,8 @@ private <A, I> Registry<A> naming(final RegistryType<A> type, final int values,
     private interface Manual<A, I> {
         void put(final I value, final String key);
     }
+
+    private static <I> Function<I, String> sanitizedName(final Function<I, String> original) {
+        return original.andThen(s -> s.toLowerCase(Locale.ROOT));
+    }
 }