diff --git a/sys-devel/clang/clang-4.0.0.ebuild b/sys-devel/clang/clang-4.0.0-r1.ebuild
similarity index 99%
rename from sys-devel/clang/clang-4.0.0.ebuild
rename to sys-devel/clang/clang-4.0.0-r1.ebuild
index bdfc16ce04a46..cd232123da279 100644
--- a/sys-devel/clang/clang-4.0.0.ebuild
+++ b/sys-devel/clang/clang-4.0.0-r1.ebuild
@@ -291,4 +291,6 @@ multilib_src_install_all() {
 	if use static-analyzer; then
 		python_optimize "${ED}"usr/lib/llvm/${SLOT}/share/scan-view
 	fi
+
+	docompress "/usr/lib/llvm/${SLOT}/share/man"
 }
diff --git a/sys-devel/clang/clang-9999.ebuild b/sys-devel/clang/clang-9999.ebuild
index f862c7b8a59cd..03ed29156ba4f 100644
--- a/sys-devel/clang/clang-9999.ebuild
+++ b/sys-devel/clang/clang-9999.ebuild
@@ -288,4 +288,6 @@ multilib_src_install_all() {
 	if use static-analyzer; then
 		python_optimize "${ED}"usr/lib/llvm/${SLOT}/share/scan-view
 	fi
+
+	docompress "/usr/lib/llvm/${SLOT}/share/man"
 }