diff --git a/scheduler/strategy/binpacking.go b/scheduler/strategy/binpacking.go
index cf3520a77d..ccd38ceb2c 100644
--- a/scheduler/strategy/binpacking.go
+++ b/scheduler/strategy/binpacking.go
@@ -14,21 +14,21 @@ var (
 )
 
 type BinPackingPlacementStrategy struct {
-	OvercommitRatio float64
+	ratio int64
 }
 
-func (p *BinPackingPlacementStrategy) Initialize(opts string) (err error) {
-	p.OvercommitRatio, err = strconv.ParseFloat(opts, 64)
+func (p *BinPackingPlacementStrategy) Initialize(opts string) error {
+	overcommitRatio, err := strconv.ParseFloat(opts, 64)
+	p.ratio = int64(overcommitRatio * 100)
 	return err
 }
 
 func (p *BinPackingPlacementStrategy) PlaceContainer(config *dockerclient.ContainerConfig, nodes []*cluster.Node) (*cluster.Node, error) {
 	scores := scores{}
 
-	ratio := int64(p.OvercommitRatio * 100)
 	for _, node := range nodes {
-		nodeMemory := node.Memory + (node.Memory * ratio / 100)
-		nodeCpus := node.Cpus + (node.Cpus * ratio / 100)
+		nodeMemory := node.Memory + (node.Memory * p.ratio / 100)
+		nodeCpus := node.Cpus + (node.Cpus * p.ratio / 100)
 
 		// Skip nodes that are smaller than the requested resources.
 		if nodeMemory < int64(config.Memory) || nodeCpus < config.CpuShares {
diff --git a/scheduler/strategy/binpacking_test.go b/scheduler/strategy/binpacking_test.go
index 79579654a8..d4e2aba8a2 100644
--- a/scheduler/strategy/binpacking_test.go
+++ b/scheduler/strategy/binpacking_test.go
@@ -114,7 +114,8 @@ func TestPlaceContainerHuge(t *testing.T) {
 }
 
 func TestPlaceContainerOvercommit(t *testing.T) {
-	s := &BinPackingPlacementStrategy{OvercommitRatio: 0.05}
+	s, err := New("binpacking:0.05")
+	assert.NoError(t, err)
 
 	nodes := []*cluster.Node{createNode("node-1", 0, 1)}
 	nodes[0].Memory = 100