diff --git a/collector/docker.go b/collector/docker.go
index 42c3284..3c54e0d 100644
--- a/collector/docker.go
+++ b/collector/docker.go
@@ -15,11 +15,9 @@ type Docker struct {
 
 func NewDocker(client *api.Client, id string) *Docker {
 	c := &Docker{
-		Metrics{},
-		make(chan Metrics),
-		make(chan bool),
-		0,
-		0,
+		Metrics: Metrics{},
+		stream:  make(chan Metrics),
+		done:    make(chan bool),
 	}
 
 	stats := make(chan *api.Stats)
diff --git a/widgets/util.go b/widgets/util.go
index 2397fa1..8af6bb4 100644
--- a/widgets/util.go
+++ b/widgets/util.go
@@ -30,8 +30,23 @@ func byteFormat(n int64) string {
 		n = n / mb
 		return fmt.Sprintf("%sM", strconv.FormatInt(n, 10))
 	}
-	n = n / gb
-	return fmt.Sprintf("%sG", strconv.FormatInt(n, 10))
+	nf := float64(n) / gb
+	return fmt.Sprintf("%sG", unpadFloat(nf))
+}
+
+func unpadFloat(f float64) string {
+	return strconv.FormatFloat(f, 'f', getPrecision(f), 64)
+}
+
+func getPrecision(f float64) int {
+	frac := int((f - float64(int(f))) * 100)
+	if frac == 0 {
+		return 0
+	}
+	if frac%10 == 0 {
+		return 1
+	}
+	return 2 // default precision
 }
 
 func colorScale(n int) ui.Attribute {