diff --git a/query.go b/query.go
index 8529cc9..ea531a2 100644
--- a/query.go
+++ b/query.go
@@ -59,7 +59,9 @@ type Query interface {
 	// SetConsistency sets the consistency level for this query.
 	SetConsistency(c gocql.Consistency)
 
-	// SetConsistency sets the consistency level for this query.
+	// Consistency sets the consistency level for this query. If no consistency
+	// level have been set, the default consistency level of the cluster
+	// is used.
 	Consistency(c gocql.Consistency) Query
 }
 
@@ -176,8 +178,7 @@ func (q query) SetConsistency(c gocql.Consistency) {
 }
 
 func (q query) Consistency(c gocql.Consistency) Query {
-	q.q = q.q.Consistency(c)
-	return q
+	return &query{q: q.q.Consistency(c)}
 }
 
 func (q query) MapScanCAS(dest map[string]interface{}) (applied bool, err error) {