diff --git a/llvm.spec b/llvm.spec
index ed3398e..4c70a56 100644
--- a/llvm.spec
+++ b/llvm.spec
@@ -226,8 +226,7 @@ popd
       -maxdepth 0 -type d)/include \
   --with-cxx-include-root=$(find %{_includedir}/c++/* -maxdepth 0 -type d) \
   --with-cxx-include-arch=%{_arch}-%{_vendor}-%{_os} \
-  --with-cxx-include-32bit-dir=32/bits \
-  --with-cxx-include-64bit-dir=bits
+  --with-cxx-include-32bit-dir=32
 
 # FIXME file this
 # configure does not properly specify libdir