diff --git a/build.gradle.kts b/build.gradle.kts
index add5287..bcaa201 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -10,7 +10,7 @@ plugins {
 }
 
 group = "net.azisaba"
-version = "6.18.0+1.21.1"
+version = "6.18.0a+1.21.1"
 
 java {
     toolchain.languageVersion.set(JavaLanguageVersion.of(21))
diff --git a/src/main/java/com/github/mori01231/lifecore/listener/DeathLoopListener.java b/src/main/java/com/github/mori01231/lifecore/listener/DeathLoopListener.java
index c78ef50..7fa799b 100644
--- a/src/main/java/com/github/mori01231/lifecore/listener/DeathLoopListener.java
+++ b/src/main/java/com/github/mori01231/lifecore/listener/DeathLoopListener.java
@@ -40,8 +40,8 @@ private boolean hasTempHealthBoost(LivingEntity entity) {
             return false;
         }
         for (AttributeModifier modifier : attr.getModifiers()) {
-            if (modifier.getName().equals("lifecore.temp_health_boost_scalar") ||
-                    modifier.getName().equals("lifecore.temp_health_boost_number")) {
+            if (modifier.getKey().equals(new NamespacedKey("lifecore", "temp_health_boost_scalar")) ||
+                    modifier.getKey().equals(new NamespacedKey("lifecore", "temp_health_boost_number"))) {
                 return true;
             }
         }