diff --git a/lib/ncurses/ncurses/ncurses_cfg.h b/lib/ncurses/ncurses/ncurses_cfg.h
index ca4ce6b5f32a..2217eabd3580 100644
--- a/lib/ncurses/ncurses/ncurses_cfg.h
+++ b/lib/ncurses/ncurses/ncurses_cfg.h
@@ -62,7 +62,9 @@
 #endif
 #define HAVE_LONG_FILE_NAMES 1
 #define MIXEDCASE_FILENAMES 1
+#ifdef __FreeBSD__
 #define USE_SYSMOUSE 1
+#endif
 #define TERMINFO_DIRS "/usr/share/terminfo:/usr/local/share/site-terminfo"
 #define TERMINFO "/usr/share/terminfo"
 #define HAVE_BIG_CORE 1