diff --git a/src/images/SkMovie_gif.cpp b/src/images/SkMovie_gif.cpp
index 1031079..b4d73a9 100644
--- a/src/images/SkMovie_gif.cpp
+++ b/src/images/SkMovie_gif.cpp
@@ -122,7 +122,7 @@
                      int transparent, int width)
 {
     for (; width > 0; width--, src++, dst++) {
-        if (*src != transparent) {
+        if (*src != transparent && *src < cmap->ColorCount) {
             const GifColorType& col = cmap->Colors[*src];
             *dst = SkPackARGB32(0xFF, col.Red, col.Green, col.Blue);
         }