diff --git a/fb.go b/fb.go
index 04d65f4..71a15b8 100644
--- a/fb.go
+++ b/fb.go
@@ -85,6 +85,8 @@ func openFramebuffer(path string) (*framebuffer, error) {
 }
 
 func (fb *framebuffer) close() {
+	fb.fill(rgb{})
+	fb.flush()
 	unix.Munmap(fb.mem)
 	fb.file.Close()
 }