diff --git a/src/atombios_output.c b/src/atombios_output.c
index 3030a10..653bb1b 100644
--- a/src/atombios_output.c
+++ b/src/atombios_output.c
@@ -298,6 +298,7 @@ atombios_output_digital_setup(xf86OutputPtr output, int device, DisplayModePtr m
     switch (major) {
     case 0:
     case 1:
+    default:
 	switch (minor) {
 	case 1:
 	    disp_data.ucMisc = 0;
@@ -320,6 +321,7 @@ atombios_output_digital_setup(xf86OutputPtr output, int device, DisplayModePtr m
 	    break;
 	case 2:
 	case 3:
+	default:
 	    disp_data2.ucMisc = 0;
 	    disp_data2.ucAction = PANEL_ENCODER_ACTION_ENABLE;
 	    if (minor == 3) {