diff --git a/core/src/mindustry/world/blocks/distribution/Sorter.java b/core/src/mindustry/world/blocks/distribution/Sorter.java
index c94f206af4..81d9cd3a01 100644
--- a/core/src/mindustry/world/blocks/distribution/Sorter.java
+++ b/core/src/mindustry/world/blocks/distribution/Sorter.java
@@ -132,7 +132,7 @@ public class Sorter extends Block{
 
         @Override
         public void buildConfiguration(Table table){
-            ItemSelection.buildTable(table, content.items(), () -> sortItem, item -> configure(item));
+            ItemSelection.buildTable(table, content.items(), () -> sortItem, this::configure);
         }
 
         @Override
diff --git a/core/src/mindustry/world/blocks/sandbox/ItemSource.java b/core/src/mindustry/world/blocks/sandbox/ItemSource.java
index 223419bc82..4a52e6b8ae 100644
--- a/core/src/mindustry/world/blocks/sandbox/ItemSource.java
+++ b/core/src/mindustry/world/blocks/sandbox/ItemSource.java
@@ -69,7 +69,7 @@ public class ItemSource extends Block{
 
         @Override
         public void buildConfiguration(Table table){
-            ItemSelection.buildTable(table, content.items(), () -> outputItem, item -> configure(item));
+            ItemSelection.buildTable(table, content.items(), () -> outputItem, this::configure);
         }
 
         @Override
diff --git a/core/src/mindustry/world/blocks/sandbox/LiquidSource.java b/core/src/mindustry/world/blocks/sandbox/LiquidSource.java
index d079e40d5c..3f01313833 100644
--- a/core/src/mindustry/world/blocks/sandbox/LiquidSource.java
+++ b/core/src/mindustry/world/blocks/sandbox/LiquidSource.java
@@ -67,7 +67,7 @@ public class LiquidSource extends Block{
 
         @Override
         public void buildConfiguration(Table table){
-            ItemSelection.buildTable(table, content.liquids(), () -> source, liquid -> configure(liquid));
+            ItemSelection.buildTable(table, content.liquids(), () -> source, this::configure);
         }
 
         @Override
diff --git a/core/src/mindustry/world/blocks/storage/Unloader.java b/core/src/mindustry/world/blocks/storage/Unloader.java
index b7319adea1..cfbaeb4a91 100644
--- a/core/src/mindustry/world/blocks/storage/Unloader.java
+++ b/core/src/mindustry/world/blocks/storage/Unloader.java
@@ -82,7 +82,7 @@ public class Unloader extends Block{
 
         @Override
         public void buildConfiguration(Table table){
-            ItemSelection.buildTable(table, content.items(), () -> tile.<UnloaderBuild>bc().sortItem, item -> configure(item));
+            ItemSelection.buildTable(table, content.items(), () -> sortItem, this::configure);
         }
 
         @Override