diff --git a/camera/camera_linux.go b/camera/camera_linux.go
index 6510a69..3ac1c8b 100644
--- a/camera/camera_linux.go
+++ b/camera/camera_linux.go
@@ -144,7 +144,7 @@ func (c *Camera) Read() (img image.Image, err error) {
 	}
 
 	if c.opts.Timestamp {
-		img, err = im.Timestamp(img, c.opts.TimeFormat)
+		img = im.Timestamp(img, c.opts.TimeFormat)
 	}
 
 	return
diff --git a/camera/camera_opencv.go b/camera/camera_opencv.go
index 952e122..50c3483 100644
--- a/camera/camera_opencv.go
+++ b/camera/camera_opencv.go
@@ -74,7 +74,7 @@ func (c *Camera) Read() (img image.Image, err error) {
 	}
 
 	if c.opts.Timestamp {
-		img, err = im.Timestamp(img, c.opts.TimeFormat)
+		img = im.Timestamp(img, c.opts.TimeFormat)
 	}
 
 	return
diff --git a/camera/camera_windows.go b/camera/camera_windows.go
index fc5177b..39007f3 100644
--- a/camera/camera_windows.go
+++ b/camera/camera_windows.go
@@ -186,7 +186,7 @@ func (c *Camera) Read() (img image.Image, err error) {
 	}
 
 	if c.opts.Timestamp {
-		img, err = im.Timestamp(img, c.opts.TimeFormat)
+		img = im.Timestamp(img, c.opts.TimeFormat)
 	}
 
 	return
diff --git a/image/image.go b/image/image.go
index be15dc8..e51dca6 100644
--- a/image/image.go
+++ b/image/image.go
@@ -1,7 +1,6 @@
 package image
 
 import (
-	"fmt"
 	"image"
 	"image/color"
 	"image/draw"
@@ -35,13 +34,15 @@ func Flip(img image.Image, dir string) image.Image {
 	return img
 }
 
-func Timestamp(img image.Image, format string) (image.Image, error) {
+func Timestamp(img image.Image, format string) image.Image {
 	dimg, ok := img.(draw.Image)
 	if !ok {
-		return img, fmt.Errorf("camera: %T is not a drawable image type", img)
+		b := img.Bounds()
+		dimg = image.NewRGBA(image.Rect(0, 0, b.Dx(), b.Dy()))
+		draw.Draw(dimg, b, img, b.Min, draw.Src)
 	}
 
 	pixfont.DrawString(dimg, 10, 10, time.Now().Format(format), color.White)
 
-	return dimg, nil
+	return dimg
 }