diff --git a/common/g45/hw-gfx-gma-port_detect.adb b/common/g45/hw-gfx-gma-port_detect.adb
index c865079..479b626 100644
--- a/common/g45/hw-gfx-gma-port_detect.adb
+++ b/common/g45/hw-gfx-gma-port_detect.adb
@@ -73,6 +73,8 @@
          DIGI_D => DP3);
 
    begin
+      Config.Valid_Port (Analog) := True;
+      Config.Valid_Port (Internal) := Config.Internal_Is_LVDS;
       for HDMI_Port in GMCH_HDMI_Port loop
          Registers.Is_Set_Mask
            (Register => GMCH_HDMI (HDMI_Port),