diff --git a/vp8/decoder/x86/x86_dsystemdependent.c b/vp8/decoder/x86/x86_dsystemdependent.c
index 424052c1b0ca6079ac40cf5bcd5f68ae94c79f13..91dba7e1af1dd3b4ca0358ba49b0d19dfcb99814 100644
--- a/vp8/decoder/x86/x86_dsystemdependent.c
+++ b/vp8/decoder/x86/x86_dsystemdependent.c
@@ -50,6 +50,7 @@ void vp8_arch_x86_decode_init(VP8D_COMP *pbi)
 #if HAVE_SSE2
     if (flags & HAS_SSE2)
     {
+        pbi->dequant.idct_add_y_block    = vp8_dequant_idct_add_y_block_sse2;
         pbi->dequant.idct_add_uv_block   = vp8_dequant_idct_add_uv_block_sse2;
     }
 #endif