diff --git a/libavcodec/x86/diracdsp_init.c b/libavcodec/x86/diracdsp_init.c
index 43aab6a863..d7c7cd1657 100644
--- a/libavcodec/x86/diracdsp_init.c
+++ b/libavcodec/x86/diracdsp_init.c
@@ -192,6 +192,8 @@ void ff_diracdsp_init_x86(DiracDSPContext* c)
 
     if (EXTERNAL_SSE4(mm_flags)) {
         c->dequant_subband[1]         = ff_dequant_subband_32_sse4;
+#if ARCH_X86_64
         c->put_signed_rect_clamped[1] = ff_put_signed_rect_clamped_10_sse4;
+#endif
     }
 }