diff --git a/index/brand.go b/index/brand.go
index 94658d3c7..a0f64bbd1 100644
--- a/index/brand.go
+++ b/index/brand.go
@@ -224,7 +224,7 @@ func dump(r RankList, n int) {
 func (self *Brand) TopNAll(n int, categories []uint64) []Pair {
 
 	self.checkRank()
-	results := make([]Pair, n+1)
+	results := make([]Pair, 0, 0)
 
 	category := NewIntSet()
 	needCat := false
@@ -244,10 +244,10 @@ func (self *Brand) TopNAll(n int, categories []uint64) []Pair {
 		if count >= n {
 			break
 		}
-		results[count] = Pair{pair.Key, pair.Count}
+		results = append(results, Pair{pair.Key, pair.Count})
 		count++
 	}
-	return results[:count]
+	return results
 }
 
 func (self *Brand) TopNCat(src_bitmap IBitmap, n int, category *IntSet) []Pair {
diff --git a/index/general.go b/index/general.go
index 96485db3b..5c30276b7 100644
--- a/index/general.go
+++ b/index/general.go
@@ -141,17 +141,17 @@ func (self *General) Load(requestChan chan Command, f *Fragment) {
 
 func (self *General) TopNAll(n int, categories []uint64) []Pair {
 
-	results := make([]Pair, n)
+	results := make([]Pair, 0, 0)
 
 	count := 0
 	for k, _ := range self.keys {
 
-		if count > n {
+		if count >= n {
 			break
 		}
 		bm := self.Get(k)
-		results[count] = Pair{k, bm.Count()}
+		results = append(results, Pair{k, bm.Count()})
 		count++
 	}
-	return results[:count]
+	return results
 }