diff --git a/cli/command/formatter/image.go b/cli/command/formatter/image.go
index d16f42b5ba..5c569bdda7 100644
--- a/cli/command/formatter/image.go
+++ b/cli/command/formatter/image.go
@@ -248,7 +248,7 @@ func (c *imageContext) CreatedAt() string {
 }
 
 func (c *imageContext) Size() string {
-	return units.HumanSizeWithPrecision(float64(c.i.Size), 3)
+	return units.HumanSize(float64(c.i.Size))
 }
 
 func (c *imageContext) Containers() string {
diff --git a/cli/command/formatter/image_test.go b/cli/command/formatter/image_test.go
index fcdf727c52..a6477f87c0 100644
--- a/cli/command/formatter/image_test.go
+++ b/cli/command/formatter/image_test.go
@@ -40,6 +40,11 @@ func TestImageContext(t *testing.T) {
 			expValue: "10B",
 			call:     ctx.Size,
 		},
+		{
+			imageCtx: imageContext{i: types.ImageSummary{Size: 999900000}, trunc: true},
+			expValue: "999.9MB",
+			call:     ctx.Size,
+		},
 		{
 			imageCtx: imageContext{i: image.Summary{Created: unix}, trunc: true},
 			expValue: time.Unix(unix, 0).String(), call: ctx.CreatedAt,