diff --git a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_ElectricBlastFurnace.java b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_ElectricBlastFurnace.java
index 6dd03e2e..acbd71c4 100644
--- a/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_ElectricBlastFurnace.java
+++ b/src/main/java/gregtech/common/tileentities/machines/multi/GT_MetaTileEntity_ElectricBlastFurnace.java
@@ -113,17 +113,17 @@ public class GT_MetaTileEntity_ElectricBlastFurnace
                 this.mEfficiency = (10000 - (getIdealStatus() - getRepairStatus()) * 1000);
                 this.mEfficiencyIncrease = 10000;
                 int tHeatCapacityDivTiers = (mHeatingCapacity - tRecipe.mSpecialValue)/900;
-		calculateOverclockedNessMulti(tRecipe.mEUt, tRecipe.mDuration, 1, tVoltage);
+		        calculateOverclockedNessMulti(tRecipe.mEUt, tRecipe.mDuration, 1, tVoltage);
                 //In case recipe is too OP for that machine
                 if (mMaxProgresstime == Integer.MAX_VALUE - 1 && mEUt == Integer.MAX_VALUE - 1)
                     return false;
                 if (this.mEUt > 0) {
                     this.mEUt = (-this.mEUt);
                 }
-		if(tHeatCapacityDivTiers>0){
-			this.mEUt = (int) (this.mEUt * (Math.pow(0.95, tHeatCapacityDivTiers)));
-			this.mMaxProgresstime /= (tHeatCapacityDivTiers>=i ? 4 : 2);
-		}
+                if(tHeatCapacityDivTiers>0){
+                    this.mEUt = (int) (this.mEUt * (Math.pow(0.95, tHeatCapacityDivTiers)));
+                    this.mMaxProgresstime /=(int)Math.pow((tHeatCapacityDivTiers+2)/ 2,2);//TODO CHECK
+                }
                 this.mMaxProgresstime = Math.max(1, this.mMaxProgresstime);
                 this.mOutputItems = new ItemStack[]{tRecipe.getOutput(0), tRecipe.getOutput(1)};
                 updateSlots();