diff --git a/hw/xfree86/drivers/modesetting/drmmode_display.c b/hw/xfree86/drivers/modesetting/drmmode_display.c
index 773ec4c1c..a34377843 100644
--- a/hw/xfree86/drivers/modesetting/drmmode_display.c
+++ b/hw/xfree86/drivers/modesetting/drmmode_display.c
@@ -961,22 +961,22 @@ static int subpixel_conv_table[7] = { 0, SubPixelUnknown,
 				      SubPixelVerticalBGR,
 				      SubPixelNone };
 
-const char *output_names[] = { "None",
-			       "VGA",
-			       "DVI",
-			       "DVI",
-			       "DVI",
-			       "Composite",
-			       "S-video",
-			       "LVDS",
-			       "CTV",
-			       "DIN",
-			       "DisplayPort",
-			       "HDMI",
-			       "HDMI",
-			       "TV",
-			       "eDP",
-			       "Virtual"
+static const char * const output_names[] = { "None",
+					     "VGA",
+					     "DVI",
+					     "DVI",
+					     "DVI",
+					     "Composite",
+					     "S-video",
+					     "LVDS",
+					     "CTV",
+					     "DIN",
+					     "DisplayPort",
+					     "HDMI",
+					     "HDMI",
+					     "TV",
+					     "eDP",
+					     "Virtual",
 };
 
 static void