diff --git a/cmake/ncurses.cmake b/cmake/ncurses.cmake
index 6643fa1..2761644 100644
--- a/cmake/ncurses.cmake
+++ b/cmake/ncurses.cmake
@@ -1,10 +1,9 @@
 # @author Christian Burger <christian@krikkel.de>
 
-### ncurses
 set(CURSES_NEED_NCURSES TRUE)
 set(CURSES_NEED_WIDE TRUE)
 find_package(Curses 6.2 REQUIRED)
-include_directories(${CURSES_INCLUDE_DIRS})
+include_directories(SYSTEM ${CURSES_INCLUDE_DIRS})
 
 # find C++ interface for ncurses with unicode support
 find_library(CURSES_CPP_WIDE_LIBRARY NAMES ncurses++w REQUIRED)