diff --git a/src/globals.h b/src/globals.h
index 3278ad9..5effdb5 100644
--- a/src/globals.h
+++ b/src/globals.h
@@ -1176,6 +1176,10 @@
 EXTERN int	fill_diff INIT(= '-');
 #endif
 
+#ifdef FEAT_FOLDING
+EXTERN int	disable_fold_update INIT(= 0);
+#endif
+
 /* Whether 'keymodel' contains "stopsel" and "startsel". */
 EXTERN int	km_stopsel INIT(= FALSE);
 EXTERN int	km_startsel INIT(= FALSE);