diff --git a/genomix/genomix-hyracks/src/main/java/edu/uci/ics/genomix/data/std/accessors/KmerHashPartitioncomputerFactory.java b/genomix/genomix-hyracks/src/main/java/edu/uci/ics/genomix/data/std/accessors/KmerHashPartitioncomputerFactory.java
index 53eafaa..231470a 100644
--- a/genomix/genomix-hyracks/src/main/java/edu/uci/ics/genomix/data/std/accessors/KmerHashPartitioncomputerFactory.java
+++ b/genomix/genomix-hyracks/src/main/java/edu/uci/ics/genomix/data/std/accessors/KmerHashPartitioncomputerFactory.java
@@ -24,9 +24,6 @@
 			@Override
 			public int partition(IFrameTupleAccessor accessor, int tIndex,
 					int nParts) {
-				if (nParts == 1) {
-					return 0;
-				}
 				int startOffset = accessor.getTupleStartOffset(tIndex);
 				int fieldOffset = accessor.getFieldStartOffset(tIndex, 0);
 				int slotLength = accessor.getFieldSlotsLength();
@@ -37,7 +34,7 @@
 				int hash = hashBytes(buf.array(), startOffset + fieldOffset
 						+ slotLength, fieldLength);
 				if (hash < 0){
-					hash = (-hash+1);
+					hash = -(hash+1);
 				}
 
 				return hash % nParts;