1 files changed, 4 insertions, 1 deletions
diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_MultiBlockBase.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_MultiBlockBase.java
index f0f8c9f806..31052f8b8e 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_MultiBlockBase.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_MultiBlockBase.java
@@ -1605,7 +1605,10 @@ public abstract class GT_MetaTileEntity_MultiBlockBase extends MetaTileEntity
             return mDualInputHatches.add(hatch);
         }
         if (aMetaTileEntity instanceof ISmartInputHatch hatch) {
-            mSmartInputHatches.add(hatch);
+            // Only add them to be iterated if enabled for performance reasons
+            if (hatch.doFastRecipeCheck()) {
+                mSmartInputHatches.add(hatch);
+            }
         }
         if (aMetaTileEntity instanceof GT_MetaTileEntity_Hatch_Input) {
             setHatchRecipeMap((GT_MetaTileEntity_Hatch_Input) aMetaTileEntity);