1 files changed, 7 insertions, 1 deletions
diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_DistillationTower.java b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_DistillationTower.java
index 8f1191c594..a8fbb74cc9 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_DistillationTower.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_DistillationTower.java
@@ -259,10 +259,16 @@ public class GT_MetaTileEntity_DistillationTower extends GT_MetaTileEntity_Enhan
             return false;
 
         // check each layer
-        while (mHeight < 12 && checkPiece(STRUCTURE_PIECE_LAYER, 1, mHeight, 0) && !mTopLayerFound) {
+        while (mHeight < 12) {
+            if (!checkPiece(STRUCTURE_PIECE_LAYER, 1, mHeight, 0)) {
+                return false;
+            }
             if (mOutputHatchesByLayer.get(mHeight - 1).isEmpty())
                 // layer without output hatch
                 return false;
+            if (mTopLayerFound) {
+                break;
+            }
             // not top
             mHeight++;
         }