diff --git a/SPECS/libheif.spec b/SPECS/libheif.spec
index 42de621..81aff5c 100644
--- a/SPECS/libheif.spec
+++ b/SPECS/libheif.spec
@@ -23,7 +23,7 @@ BuildRequires:  pkgconfig(libpng)
 BuildRequires:  pkgconfig(libsharpyuv)
 BuildRequires:  pkgconfig(rav1e)
 %endif
-%ifnarch aarch64
+%ifarch x86_64
 BuildRequires:  pkgconfig(SvtAv1Enc)
 %endif
 
@@ -41,7 +41,7 @@ file format decoder and encoder.
 %if ! (0%{?rhel} && 0%{?rhel} <= 9)
 %{_libdir}/%{name}/%{name}-rav1e.so
 %endif
-%ifnarch aarch64
+%ifarch x86_64
 %{_libdir}/%{name}/%{name}-svtenc.so
 %endif