diff --git a/Source/Checks/Curses/CheckCurses.c b/Source/Checks/Curses/CheckCurses.c
index 7d827e6bf7..3264fa008d 100644
--- a/Source/Checks/Curses/CheckCurses.c
+++ b/Source/Checks/Curses/CheckCurses.c
@@ -8,7 +8,7 @@
 #  include <curses.h>
 #endif
 
-int main()
+int main(void)
 {
   curses_version();
   return 0;