diff --git a/compat-ffmpeg4.spec b/compat-ffmpeg4.spec
index bbc7990..15ab880 100644
--- a/compat-ffmpeg4.spec
+++ b/compat-ffmpeg4.spec
@@ -14,9 +14,11 @@
 %global _without_frei0r   1
 %global _without_jack     1
 %global _without_zimg     1
+%ifarch x86_64
+%global _with_mfx         1
+%endif
 %ifnarch x86_64
 %global _without_vaapi    1
-%global _with_mfx         1
 %endif
 %endif