diff --git a/lib/x86/adler32_impl.h b/lib/x86/adler32_impl.h
index 7b3f02ac..c8b5153b 100644
--- a/lib/x86/adler32_impl.h
+++ b/lib/x86/adler32_impl.h
@@ -124,7 +124,7 @@
 static forceinline ATTRIBUTES void
 adler32_sse2_chunk(const __m128i *p, const __m128i *const end, u32 *s1, u32 *s2)
 {
-	static const u16 _aligned_attribute(16) mults[4][16] = {
+	static const u16 _aligned_attribute(16) mults[4][8] = {
 		{ 32, 31, 30, 29, 28, 27, 26, 25 },
 		{ 24, 23, 22, 21, 20, 19, 18, 17 },
 		{ 16, 15, 14, 13, 12, 11, 10, 9  },
@@ -299,10 +299,10 @@ adler32_avx2_vnni_chunk(const __m256i *p, const __m256i *const end,
 	__m256i /* __v8su */ v_s2_d = zeroes;
 
 	do {
-		__m256i bytes_a = *p++;
-		__m256i bytes_b = *p++;
-		__m256i bytes_c = *p++;
-		__m256i bytes_d = *p++;
+		const __m256i bytes_a = *p++;
+		const __m256i bytes_b = *p++;
+		const __m256i bytes_c = *p++;
+		const __m256i bytes_d = *p++;
 
 		v_s2_a = _mm256_dpbusd_avx_epi32(v_s2_a, bytes_a, mults_a);
 		v_s2_b = _mm256_dpbusd_avx_epi32(v_s2_b, bytes_b, mults_b);