diff --git a/libavcodec/dsputil.c b/libavcodec/dsputil.c
index 7a979a9f50..2251a6943f 100644
--- a/libavcodec/dsputil.c
+++ b/libavcodec/dsputil.c
@@ -87,7 +87,7 @@ const uint8_t ff_zigzag248_direct[64] = {
 };
 
 /* not permutated inverse zigzag_direct + 1 for MMX quantizer */
-DECLARE_ALIGNED_8(uint16_t, inv_zigzag_direct16)[64];
+DECLARE_ALIGNED_16(uint16_t, inv_zigzag_direct16)[64];
 
 const uint8_t ff_alternate_horizontal_scan[64] = {
     0,  1,   2,  3,  8,  9, 16, 17,