diff --git a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_TieredMachineBlock.java b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_TieredMachineBlock.java
index 8da8fdf6..ee033fe6 100644
--- a/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_TieredMachineBlock.java
+++ b/src/main/java/gregtech/api/metatileentity/implementations/GT_MetaTileEntity_TieredMachineBlock.java
@@ -24,7 +24,7 @@ public abstract class GT_MetaTileEntity_TieredMachineBlock extends MetaTileEntit
     public GT_MetaTileEntity_TieredMachineBlock(int aID, String aName, String aNameRegional, int aTier, int aInvSlotCount, String aDescription, ITexture... aTextures) {
         super(aID, aName, aNameRegional, aInvSlotCount);
         mTier = (byte) Math.max(0, Math.min(aTier, 9));
-        mDescription = new String[]{aDescription};
+        mDescription = aDescription == null ? new String[0] : new String[]{aDescription};
 
         // must always be the last call!
         if (GT.isClientSide()) mTextures = getTextureSet(aTextures);
@@ -34,7 +34,7 @@ public abstract class GT_MetaTileEntity_TieredMachineBlock extends MetaTileEntit
     public GT_MetaTileEntity_TieredMachineBlock(int aID, String aName, String aNameRegional, int aTier, int aInvSlotCount, String[] aDescription, ITexture... aTextures) {
         super(aID, aName, aNameRegional, aInvSlotCount);
         mTier = (byte) Math.max(0, Math.min(aTier, 9));
-        mDescription = aDescription;
+        mDescription =  aDescription == null ? new String[0] : aDescription;
 
         // must always be the last call!
         if (GT.isClientSide()) mTextures = getTextureSet(aTextures);
@@ -44,14 +44,14 @@ public abstract class GT_MetaTileEntity_TieredMachineBlock extends MetaTileEntit
     public GT_MetaTileEntity_TieredMachineBlock(String aName, int aTier, int aInvSlotCount, String aDescription, ITexture[][][] aTextures) {
         super(aName, aInvSlotCount);
         mTier = (byte) aTier;
-        mDescription = new String[]{aDescription};
+        mDescription = aDescription == null ? new String[0] : new String[]{aDescription};
         mTextures = aTextures;
     }
 
     public GT_MetaTileEntity_TieredMachineBlock(String aName, int aTier, int aInvSlotCount, String[] aDescription, ITexture[][][] aTextures) {
         super(aName, aInvSlotCount);
         mTier = (byte) aTier;
-        mDescription = aDescription;
+        mDescription = aDescription == null ? new String[0] : aDescription;
         mTextures = aTextures;
     }