1 files changed, 2 insertions, 2 deletions

diff --git a/src/image.c b/src/image.c
index 1303a931263..d82fedb8dea 100644
--- a/src/image.c
+++ b/src/image.c
@@ -3718,7 +3718,7 @@ xpm_load (struct frame *f, struct image *img)
     }
 
 #ifdef USE_CAIRO
-  // Load very specific Xpm:s.
+  /* Load very specific Xpm:s.  */
   if (rc == XpmSuccess
       && img->ximg->format == ZPixmap
       && img->ximg->bits_per_pixel == 32
@@ -3742,7 +3742,7 @@ xpm_load (struct frame *f, struct image *img)
               int maskidx = mid ? i * img->mask_img->bytes_per_line + k/8 : 0;
               int mask = mid ? mid[maskidx] & (1 << (k % 8)) : 1;
 
-              if (mask) od[idx] = id[idx] + 0xff000000; // ff => full alpha
+              if (mask) od[idx] = id[idx] + 0xff000000; /* ff => full alpha */
               else od[idx] = bgcolor;
             }
         }