diff --git a/sys-devel/llvm/llvm-3.7.1.ebuild b/sys-devel/llvm/llvm-3.7.1.ebuild
index 2dbd2e5e16fac..6aa2ef22c63fc 100644
--- a/sys-devel/llvm/llvm-3.7.1.ebuild
+++ b/sys-devel/llvm/llvm-3.7.1.ebuild
@@ -433,7 +433,9 @@ src_install() {
 	multilib-minimal_src_install
 
 	# Remove unnecessary headers on FreeBSD, bug #417171
-	use kernel_FreeBSD && use clang && rm "${ED}"usr/lib/clang/${PV}/include/{std,float,iso,limits,tgmath,varargs}*.h
+	if use kernel_FreeBSD && use clang; then
+		rm "${ED}"usr/lib/clang/${PV}/include/{std,float,iso,limits,tgmath,varargs}*.h || die
+	fi
 }
 
 multilib_src_install() {