diff --git a/libheif.spec b/libheif.spec
index fada7b0..64270bd 100644
--- a/libheif.spec
+++ b/libheif.spec
@@ -24,6 +24,8 @@ BuildRequires:  pkgconfig(libjpeg)
 BuildRequires:  pkgconfig(libpng)
 %if ! (0%{?rhel} && 0%{?rhel} <= 9)
 BuildRequires:  pkgconfig(rav1e)
+%endif
+%if ! ((0%{?rhel} && 0%{?rhel} <= 9) || (0%{?fedora} && 0%{?fedora} < 38))
 BuildRequires:  pkgconfig(SvtAv1Enc)
 %endif
 
@@ -38,6 +40,8 @@ file format decoder and encoder.
 %dir %{_libdir}/%{name}
 %if ! (0%{?rhel} && 0%{?rhel} < 9)
 %{_libdir}/%{name}/%{name}-rav1e.so
+%endif
+%if ! ((0%{?rhel} && 0%{?rhel} <= 9) || (0%{?fedora} && 0%{?fedora} < 38))
 %{_libdir}/%{name}/%{name}-svtenc.so
 %endif