diff --git a/vapoursynth.spec b/vapoursynth.spec
index a5462f8..56324e6 100644
--- a/vapoursynth.spec
+++ b/vapoursynth.spec
@@ -13,6 +13,8 @@ Source0:    https://github.com/%{name}/%{name}/archive/R%{version}/%{name}-R%{ve
 Patch0:     %{name}-version-info.patch
 Patch1:     https://github.com/vapoursynth/vapoursynth/commit/a53ed4dda74d61d4cb56842dc0c6e6e7c3870e11.patch#/%{name}-python38.patch
 
+ExclusiveArch:  %{ix86} x86_64
+
 BuildRequires:  autoconf
 BuildRequires:  automake
 BuildRequires:  gcc-c++