diff --git a/vpx_dsp/vpx_dsp.mk b/vpx_dsp/vpx_dsp.mk
index 07f2d6aad..d4aea13d2 100644
--- a/vpx_dsp/vpx_dsp.mk
+++ b/vpx_dsp/vpx_dsp.mk
@@ -67,8 +67,10 @@ DSP_SRCS-yes            += fwd_txfm.c
 DSP_SRCS-yes            += fwd_txfm.h
 DSP_SRCS-$(HAVE_SSE2)   += x86/fwd_txfm_sse2.c
 DSP_SRCS-$(HAVE_SSE2)   += x86/fwd_txfm_impl_sse2.h
+ifeq ($(ARCH_X86_64),yes)
 ifeq ($(CONFIG_USE_X86INC),yes)
-DSP_SRCS-$(HAVE_SSSE3)  += x86/fwd_txfm_ssse3.asm
+DSP_SRCS-$(HAVE_SSSE3)  += x86/fwd_txfm_ssse3_x86_64.asm
+endif
 endif
 DSP_SRCS-$(HAVE_NEON)   += arm/fwd_txfm_neon.c
 endif  # CONFIG_VP9_ENCODER
diff --git a/vpx_dsp/x86/fwd_txfm_ssse3.asm b/vpx_dsp/x86/fwd_txfm_ssse3_x86_64.asm
similarity index 100%
rename from vpx_dsp/x86/fwd_txfm_ssse3.asm
rename to vpx_dsp/x86/fwd_txfm_ssse3_x86_64.asm