diff --git a/src/move.c b/src/move.c
index 8e53d8b..6121e3e 100644
--- a/src/move.c
+++ b/src/move.c
@@ -816,7 +816,7 @@
 /*
  * Validate curwin->w_cline_height only.
  */
-    static void
+    void
 validate_cheight(void)
 {
     check_cursor_moved(curwin);