diff --git a/build.gradle.kts b/build.gradle.kts
index fc891f2..98a5e72 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -9,7 +9,7 @@ plugins {
 }
 
 group = "net.azisaba"
-version = "1.15.2+6.16.5"
+version = "1.15.2+6.16.6"
 
 java {
     toolchain.languageVersion.set(JavaLanguageVersion.of(8))
diff --git a/src/main/java/com/github/mori01231/lifecore/command/BlockListener.kt b/src/main/java/com/github/mori01231/lifecore/command/BlockListener.kt
index 0c0803a..2a318bd 100644
--- a/src/main/java/com/github/mori01231/lifecore/command/BlockListener.kt
+++ b/src/main/java/com/github/mori01231/lifecore/command/BlockListener.kt
@@ -12,6 +12,7 @@ object BlockListener : Listener {
         if (ItemUtil.containsTag(e.itemInHand, "backup") && !e.player.isSneaking) {
             e.player.sendMessage("${ChatColor.RED}このブロックを設置すると中身のアイテムが変質し、元の状態に戻らなくなる可能性があります。")
             e.player.sendMessage("${ChatColor.RED}この警告を無視して設置したい場合はスニークしながら設置してください。")
+            e.isCancelled = true
         }
     }
 }