diff --git a/.web-docs/components/builder/iso/README.md b/.web-docs/components/builder/iso/README.md
index 868588bd..3e9b4dab 100644
--- a/.web-docs/components/builder/iso/README.md
+++ b/.web-docs/components/builder/iso/README.md
@@ -108,6 +108,7 @@ necessary for this build to succeed and can be found further down the page.
   When set to vboxvga, the graphics controller is VirtualBox VGA. This is the default.
   When set to vboxsvga, the graphics controller is VirtualBox SVGA.
   When set to vmsvga, the graphics controller is VMware SVGA.
+  When set to qemuramfb, the graphics controller is Qemu based.
   When set to none, the graphics controller is disabled.
 
 - `gfx_vram_size` (uint) - The VRAM size to be used. By default, this is 4 MiB.
diff --git a/builder/virtualbox/iso/builder.go b/builder/virtualbox/iso/builder.go
index 1893c44c..67c0981e 100644
--- a/builder/virtualbox/iso/builder.go
+++ b/builder/virtualbox/iso/builder.go
@@ -85,6 +85,7 @@ type Config struct {
 	// When set to vboxvga, the graphics controller is VirtualBox VGA. This is the default.
 	// When set to vboxsvga, the graphics controller is VirtualBox SVGA.
 	// When set to vmsvga, the graphics controller is VMware SVGA.
+	// When set to qemuramfb, The graphics controller is Qemu based.
 	// When set to none, the graphics controller is disabled.
 	GfxController string `mapstructure:"gfx_controller" required:"false"`
 	// The VRAM size to be used. By default, this is 4 MiB.
@@ -275,11 +276,11 @@ func (b *Builder) Prepare(raws ...interface{}) ([]string, []string, error) {
 		b.config.GfxController = "vboxvga"
 	}
 	switch b.config.GfxController {
-	case "vboxvga", "vboxsvga", "vmsvga", "none":
+	case "vboxvga", "vboxsvga", "vmsvga", "none", "qemuramfb":
 		// do nothing
 	default:
 		errs = packersdk.MultiErrorAppend(
-			errs, errors.New("Graphics controller type can only be vboxvga, vboxsvga, vmsvga, none"))
+			errs, errors.New("Graphics controller type can only be vboxvga, vboxsvga, vmsvga, qemuramfb, none"))
 	}
 
 	if b.config.GfxVramSize == 0 {