diff --git a/src/main/java/org/hoidla/stream/BloomFilter.java b/src/main/java/org/hoidla/stream/BloomFilter.java
index 26a6e16..48332e5 100644
--- a/src/main/java/org/hoidla/stream/BloomFilter.java
+++ b/src/main/java/org/hoidla/stream/BloomFilter.java
@@ -41,7 +41,7 @@ public BloomFilter(int maxSetSize, double falsePositiveProb) {
 		
 		hashFamilySize = (int)Math.round(c *  bitVectorSize / maxSetSize) ;
 		filter = new BitSet(bitVectorSize);
-		hashFamily = new Hashing.MultiHashFamily(bitVectorSize, hashFamilySize);
+		hashFamily = new Hashing.MultiHashFamily(hashFamilySize, bitVectorSize);
 	}
 
 	/**