diff --git a/ext/varintg8iu.c b/ext/varintg8iu.c
index 969f422..efc615f 100644
--- a/ext/varintg8iu.c
+++ b/ext/varintg8iu.c
@@ -141,7 +141,7 @@ unsigned char *vintg8enc(const uint32_t *__restrict in, const size_t length, uns
         return out; //out + ((compressed_size + 3)/ 4);
     }
 
-#define __builtin_ia32_storedqu(dst, result) _mm_storeu_si128(dst,result)
+#define __builtin_ia32_storedqu(dst, result) _mm_storeu_si128(dst,(__m128i )result)
 
 unsigned char *vintg8dec(unsigned char *__restrict in, const size_t length, uint32_t *__restrict out) {
         size_t srclength = length * 4;