diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 15f685f..dd2c7de 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -17,7 +17,7 @@ SET(CMAKE_MODULE_PATH "${CMAKE_SOURCE_DIR}/cmake_modules/")
 
 # TODO: switch to http://www.cmake.org/cmake/help/v2.8.5/cmake.html#module:GNUInstallDirs ?
 IF (NOT CMAKE_INSTALL_SYSCONFDIR) 
-  SET(CMAKE_INSTALL_SYSCONFDIR "${CMAKE_INSTALL_PREFIX}/etc")
+  SET(CMAKE_INSTALL_SYSCONFDIR "/etc")
 ENDIF()
 IF (NOT CMAKE_INSTALL_VARDIR) 
   SET(CMAKE_INSTALL_VARDIR "${CMAKE_INSTALL_PREFIX}/var")