diff --git a/src/main/java/mod/chiselsandbits/bittank/TileEntityBitTank.java b/src/main/java/mod/chiselsandbits/bittank/TileEntityBitTank.java
index c89cb398..0ed54829 100644
--- a/src/main/java/mod/chiselsandbits/bittank/TileEntityBitTank.java
+++ b/src/main/java/mod/chiselsandbits/bittank/TileEntityBitTank.java
@@ -439,8 +439,9 @@ public int fill(
 			int mbUsedUp = leftOver.stackSize;
 
 			// round up...
+			mbUsedUp *= TileEntityBitTank.MB_PER_BIT_CONVERSION;
 			mbUsedUp += TileEntityBitTank.BITS_PER_MB_CONVERSION - 1;
-			mbUsedUp *= TileEntityBitTank.MB_PER_BIT_CONVERSION / TileEntityBitTank.BITS_PER_MB_CONVERSION;
+			mbUsedUp /= TileEntityBitTank.BITS_PER_MB_CONVERSION;
 
 			return mbUsedUp;
 		}