diff --git a/ghc.spec b/ghc.spec
index e242e3a..82c0ae6 100644
--- a/ghc.spec
+++ b/ghc.spec
@@ -270,6 +270,9 @@ Obsoletes: %{name}-xhtml-devel < %{xhtml_ver}-%{release}
 Obsoletes: %{name}-xhtml-doc < %{xhtml_ver}-%{release}
 Obsoletes: %{name}-xhtml-prof < %{xhtml_ver}-%{release}
 %endif
+%if %{without manual}
+Obsoletes: %{name}-manual < %{version}-%{release}
+%endif
 %ifarch %{ghc_llvm_archs}
 Requires: llvm%{llvm_major}
 %endif