1 files changed, 1 insertions, 0 deletions
diff --git a/src/main/java/kubatech/api/implementations/KubaTechGTMultiBlockBase.java b/src/main/java/kubatech/api/implementations/KubaTechGTMultiBlockBase.java
index 20de79cc24..2a14d96d57 100644
--- a/src/main/java/kubatech/api/implementations/KubaTechGTMultiBlockBase.java
+++ b/src/main/java/kubatech/api/implementations/KubaTechGTMultiBlockBase.java
@@ -221,6 +221,7 @@ public abstract class KubaTechGTMultiBlockBase<T extends GT_MetaTileEntity_Exten
         while (!list.isEmpty()) {
             List<ItemStack> toOutputNow = mappingFunction.apply(list.get(0));
             if (!ignoreEmptiness && emptySlots < toOutputNow.size()) break;
+            emptySlots -= toOutputNow.size();
             list.remove(0);
             wasSomethingRemoved = true;
             for (ItemStack stack : toOutputNow) {