diff --git a/src/dec/vp8l.c b/src/dec/vp8l.c
index 19858822..395b36d7 100644
--- a/src/dec/vp8l.c
+++ b/src/dec/vp8l.c
@@ -1063,7 +1063,8 @@ static int AllocateInternalBuffers(VP8LDecoder* const dec, int final_width,
   const uint64_t num_pixels = (uint64_t)dec->width_ * dec->height_;
   // Scratch buffer corresponding to top-prediction row for transforming the
   // first row in the row-blocks. Not needed for paletted alpha.
-  const uint64_t cache_top_pixels = argb_cache_needed ? final_width : 0ULL;
+  const uint64_t cache_top_pixels =
+      argb_cache_needed ? (uint16_t)final_width : 0ULL;
   // Scratch buffer for temporary BGRA storage. Not needed for paletted alpha.
   const uint64_t cache_pixels =
       argb_cache_needed ? (uint64_t)final_width * NUM_ARGB_CACHE_ROWS : 0ULL;
diff --git a/src/dsp/lossless.c b/src/dsp/lossless.c
index 1060cbd3..8c0960ad 100644
--- a/src/dsp/lossless.c
+++ b/src/dsp/lossless.c
@@ -1128,12 +1128,12 @@ void FUNC_NAME(const VP8LTransform* const transform,                           \
   }                                                                            \
 }
 
-static WEBP_INLINE uint32_t GetARGBIndex(uint32_t index) {
-  return (index >> 8) & 0xff;
+static WEBP_INLINE uint32_t GetARGBIndex(uint32_t idx) {
+  return (idx >> 8) & 0xff;
 }
 
-static WEBP_INLINE uint8_t GetAlphaIndex(uint8_t index) {
-  return index;
+static WEBP_INLINE uint8_t GetAlphaIndex(uint8_t idx) {
+  return idx;
 }
 
 static WEBP_INLINE uint32_t GetARGBValue(uint32_t val) {