diff --git a/nbdkit.spec b/nbdkit.spec
index 950367b..db53aa3 100644
--- a/nbdkit.spec
+++ b/nbdkit.spec
@@ -93,7 +93,7 @@ BuildRequires:  rb_libtorrent-devel
 BuildRequires:  bash-completion
 BuildRequires:  perl-devel
 BuildRequires:  perl(ExtUtils::Embed)
-%if !0%{?rhel}
+%if !0%{?rhel} == 8
 BuildRequires:  python3-devel
 %else
 BuildRequires:  platform-python-devel