diff --git a/install.spec.inc b/install.spec.inc
index dbeea2d..c94d3c8 100644
--- a/install.spec.inc
+++ b/install.spec.inc
@@ -216,14 +216,6 @@ rm -Rvf %{buildroot}%{install_docdir}/LLVM/lld/html
 touch %{buildroot}%{_bindir}/ld
 
 install -D -m 644 -t  %{buildroot}%{_mandir}/man1/ lld/docs/ld.lld.1
-
-%post -n %{pkg_name_lld}
-%{_sbindir}/update-alternatives --install %{_bindir}/ld ld %{_bindir}/ld.lld 1
-
-%postun -n %{pkg_name_lld}
-if [ $1 -eq 0 ] ; then
-  %{_sbindir}/update-alternatives --remove ld %{_bindir}/ld.lld
-fi
 %endif
 
 #endregion
diff --git a/llvm.spec b/llvm.spec
index 603bfaf..fdf2e01 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -222,6 +222,16 @@ if [[ $1 -eq 0
 fi
 %endif
 
+%if %{without compat_build}
+%post -n %{pkg_name_lld}
+%{_sbindir}/update-alternatives --install %{_bindir}/ld ld %{_bindir}/ld.lld 1
+
+%postun -n %{pkg_name_lld}
+if [ $1 -eq 0 ] ; then
+  %{_sbindir}/update-alternatives --remove ld %{_bindir}/ld.lld
+fi
+%endif
+
 %include %{_sourcedir}/files.spec.inc
 
 %changelog