diff --git a/CMakeLists.txt b/CMakeLists.txt
index 5fae210..8a80095 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -18,8 +18,12 @@ IF(NOT SYSTEMDDIR)
 	SET(SYSTEMDDIR ${CMAKE_INSTALL_PREFIX}/lib/systemd/system)
 ENDIF(NOT SYSTEMDDIR)
 
+IF(NOT MANDIR)
+	SET(MANDIR "${CMAKE_INSTALL_PREFIX}/share/man")
+ENDIF(NOT MANDIR)
+
 IF(NOT SBINDIR)
-	SET(SBINDIR "sbin")
+	SET(SBINDIR "${CMAKE_INSTALL_PREFIX}/sbin")
 ENDIF(NOT SBINDIR)
 
 CMAKE_MINIMUM_REQUIRED(VERSION 2.8.0 FATAL_ERROR)