diff --git a/.github/workflows/gradle.yml b/.github/workflows/gradle.yml
index f3e796fc..8848b25c 100644
--- a/.github/workflows/gradle.yml
+++ b/.github/workflows/gradle.yml
@@ -108,7 +108,7 @@ jobs:
             build/libs/${{ env.OFFLINE_JAR_NAME }}
 
       - name: Hangar release
-        if: ${{ (github.event_name == 'release' || github.event_name == 'push') && github.repository_owner == 'alexcrea' && success() }}
+        if: ${{ (github.event_name != 'release' || github.event_name != 'push') && github.repository_owner == 'alexcrea' && success() }}
         env:
           HANGAR_API_TOKEN: ${{ secrets.HANGAR_API_TOKEN }}
           RELEASE_CHANGELOG: ${{ github.event.release.body }}
diff --git a/build.gradle.kts b/build.gradle.kts
index e9b8d9af..e052d77f 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -55,7 +55,7 @@ dependencies {
     compileOnly("org.spigotmc:spigot-api:1.21-R0.1-SNAPSHOT")
 
     // fast stats
-    implementation("dev.faststats.metrics:bukkit:0.29.0")
+    implementation("dev.faststats.metrics:bukkit:0.27.2")
 
     // minimessage
     implementation("net.kyori:adventure-text-minimessage:4.25.0")
diff --git a/src/main/kotlin/xyz/alexcrea/cuanvil/listener/AnvilResultListener.kt b/src/main/kotlin/xyz/alexcrea/cuanvil/listener/AnvilResultListener.kt
index 386a920b..7f9ef676 100644
--- a/src/main/kotlin/xyz/alexcrea/cuanvil/listener/AnvilResultListener.kt
+++ b/src/main/kotlin/xyz/alexcrea/cuanvil/listener/AnvilResultListener.kt
@@ -214,10 +214,10 @@ class AnvilResultListener : Listener {
         val recipe = result.recipe!!
 
         // We remove what should be removed
-        if (!rightItem.isAir) {
-            if (recipe.rightItem.isAir) return false// in case it changed
+        if (rightItem != null) {
+            if (recipe.rightItem == null) return false// in case it changed
 
-            rightItem!!.amount -= amount * recipe.rightItem!!.amount
+            rightItem.amount -= amount * recipe.rightItem!!.amount
             view.setItem(ANVIL_INPUT_RIGHT, rightItem)
         }
 
@@ -243,8 +243,6 @@ class AnvilResultListener : Listener {
 
             player.updateInventory()
         }
-
-        handleAnvilMechanic(player, view)
         return true
     }
 
@@ -357,7 +355,7 @@ class AnvilResultListener : Listener {
         }
 
         if (event.click != ClickType.MIDDLE)
-            handleAnvilMechanic(player, view)
+            handleAnvilMechanic(player, view, player.gameMode != GameMode.CREATIVE)
 
         return true
     }
@@ -386,11 +384,6 @@ class AnvilResultListener : Listener {
         }
     }
 
-    // Process both sound & degradation
-    private fun handleAnvilMechanic(player: HumanEntity, view: AnvilView) {
-        return handleAnvilMechanic(player, view, player.gameMode != GameMode.CREATIVE)
-    }
-
     // Process both sound & degradation
     private fun handleAnvilMechanic(player: HumanEntity, view: AnvilView, canDegrade: Boolean) {
         // ok so we do not provide a getLocation on view ?
diff --git a/src/main/kotlin/xyz/alexcrea/cuanvil/recipe/AnvilCustomRecipe.kt b/src/main/kotlin/xyz/alexcrea/cuanvil/recipe/AnvilCustomRecipe.kt
index 1cd2b616..fd079c3a 100644
--- a/src/main/kotlin/xyz/alexcrea/cuanvil/recipe/AnvilCustomRecipe.kt
+++ b/src/main/kotlin/xyz/alexcrea/cuanvil/recipe/AnvilCustomRecipe.kt
@@ -176,8 +176,8 @@ class AnvilCustomRecipe(
         CustomAnvil.verboseLog("Left item passed !")
 
         // we don't know if right item can be
-        if (rightItem.isAir) { // null test
-            if (!item2.isAir) return false
+        if (rightItem == null) { // null test
+            if (item2 != null) return false
         } else {
             val rightSimilar = rightItem!!.isSimilar(item2)
             CustomAnvil.verboseLog("Right similar: $rightSimilar")
diff --git a/src/main/kotlin/xyz/alexcrea/cuanvil/util/CustomRecipeUtil.kt b/src/main/kotlin/xyz/alexcrea/cuanvil/util/CustomRecipeUtil.kt
index b8a1907a..058b25ad 100644
--- a/src/main/kotlin/xyz/alexcrea/cuanvil/util/CustomRecipeUtil.kt
+++ b/src/main/kotlin/xyz/alexcrea/cuanvil/util/CustomRecipeUtil.kt
@@ -4,7 +4,6 @@ import io.delilaheve.CustomAnvil
 import org.bukkit.inventory.ItemStack
 import xyz.alexcrea.cuanvil.config.ConfigHolder
 import xyz.alexcrea.cuanvil.recipe.AnvilCustomRecipe
-import xyz.alexcrea.cuanvil.util.MaterialUtil.isAir
 import kotlin.math.min
 
 object CustomRecipeUtil {
@@ -33,7 +32,7 @@ object CustomRecipeUtil {
         return if(recipe.exactCount) {
             if(leftItem.amount != recipe.leftItem!!.amount){
                 0
-            }else if(!rightItem.isAir && rightItem!!.amount != recipe.rightItem!!.amount){
+            }else if(rightItem != null && rightItem.amount != recipe.rightItem!!.amount){
                 0
             }else{
                 1
@@ -44,7 +43,7 @@ object CustomRecipeUtil {
             val resultItem = recipe.resultItem!! // we know exist as the recipe was returned to us
             val maxResultAmount = resultItem.maxStackSize/resultItem.amount
             val maxLeftAmount = leftItem.amount/recipe.leftItem!!.amount
-            val maxRightAmount = if(rightItem.isAir){ maxLeftAmount } else{ rightItem!!.amount/recipe.rightItem!!.amount }
+            val maxRightAmount = if(rightItem == null){ maxLeftAmount } else{ rightItem.amount/recipe.rightItem!!.amount }
 
             CustomAnvil.verboseLog("resultItem: $resultItem, maxResultAmount: $maxResultAmount, maxLeftAmount: $maxLeftAmount, maxRightAmount: $maxRightAmount")