1 files changed, 1 insertions, 1 deletions

diff --git a/src/frame.c b/src/frame.c
index d659740e2f4..6adc1f32d85 100644
--- a/src/frame.c
+++ b/src/frame.c
@@ -2107,7 +2107,7 @@ If FRAME is nil, describe the currently selected frame.  */)
                  "unspecified".  We need to do the same here.  */
               if (STRINGP (value) && !FRAME_WINDOW_P (f))
                 {
-                  char *color_name;
+                  const char *color_name;
                   EMACS_INT csz;
 
                   if (EQ (parameter, Qbackground_color))