diff --git a/common/hw-gfx-gma.ads b/common/hw-gfx-gma.ads
index 0c44434..1215fc5 100644
--- a/common/hw-gfx-gma.ads
+++ b/common/hw-gfx-gma.ads
@@ -253,8 +253,8 @@
    subtype PCH_HDMI_Port is PCH_Port range PCH_HDMI_B .. PCH_HDMI_D;
    subtype PCH_DP_Port is PCH_Port range PCH_DP_B .. PCH_DP_D;
 
-   type Panel_Control is (No_Panel, Panel_1);
-   subtype Valid_Panels is Panel_Control range Panel_1 .. Panel_1;
+   type Panel_Control is (No_Panel, Panel_1, Panel_2);
+   subtype Valid_Panels is Panel_Control range Panel_1 .. Panel_2;
 
    type Port_Config is
       record