diff --git a/libreoffice.spec b/libreoffice.spec
index 6c752e0..3a84464 100644
--- a/libreoffice.spec
+++ b/libreoffice.spec
@@ -107,8 +107,9 @@ BuildRequires:	bsh
 BuildRequires:	ccache
 %endif
 %if %{with clang}
-BuildRequires:  clang
-BuildRequires:  clang-devel
+BuildRequires:	clang
+BuildRequires:	clang-devel
+BuildRequires:	libcxx-devel
 %endif
 BuildRequires:	desktop-file-utils
 BuildRequires:	doxygen >= 1.8.4