1 files changed, 5 insertions, 5 deletions

diff --git a/src/xfns.c b/src/xfns.c
index ebe63d1edd9..9773344c898 100644
--- a/src/xfns.c
+++ b/src/xfns.c
@@ -8615,7 +8615,7 @@ static struct image_keyword png_format[PNG_LAST] =
   {":relief",           IMAGE_INTEGER_VALUE,                    0},
   {":conversion",       IMAGE_DONT_CHECK_VALUE_TYPE,            0},
   {":heuristic-mask",   IMAGE_DONT_CHECK_VALUE_TYPE,            0},
-  {":mask",             IMAGE_DONT_CHECK_VALUE_TYPE,            0}
+  {":mask",             IMAGE_DONT_CHECK_VALUE_TYPE,            0},
   {":background",       IMAGE_STRING_OR_NIL_VALUE,              0}
 };
 
@@ -8891,11 +8891,11 @@ png_load (f, img)
       Lisp_Object specified_bg
         = image_spec_value (img->spec, QCbackground, NULL);
 
-      if (! NILP (specified_bg))
+      if (STRINGP (specified_bg))
         /* The user specified `:background', use that.  */
         {
           XColor color;
-          if (x_defined_color (f, specified_bg, &color, 0))
+          if (x_defined_color (f, XSTRING (specified_bg)->data, &color, 0))
             {
               png_color_16 user_bg;
 
@@ -9031,7 +9031,7 @@ png_load (f, img)
       png_color_16 *bg;
       if (png_get_bKGD (png_ptr, info_ptr, &bg))
         {
-          img->background = lookup_rgb_color (f, bg.red, bg.green, bg.blue);
+          img->background = lookup_rgb_color (f, bg->red, bg->green, bg->blue);
           img->background_valid = 1;
         }
     }
@@ -9854,7 +9854,7 @@ static struct image_keyword gif_format[GIF_LAST] =
   {":conversion",       IMAGE_DONT_CHECK_VALUE_TYPE,            0},
   {":heuristic-mask",   IMAGE_DONT_CHECK_VALUE_TYPE,            0},
   {":mask",             IMAGE_DONT_CHECK_VALUE_TYPE,            0},
-  {":image",            IMAGE_NON_NEGATIVE_INTEGER_VALUE,       0}
+  {":image",            IMAGE_NON_NEGATIVE_INTEGER_VALUE,       0},
   {":background",       IMAGE_STRING_OR_NIL_VALUE,              0}
 };