diff --git a/src/vim.h b/src/vim.h
index 9e4406a..a7443e9 100644
--- a/src/vim.h
+++ b/src/vim.h
@@ -810,7 +810,7 @@
 #define FINDFILE_DIR	1	/* only directories */
 #define FINDFILE_BOTH	2	/* files and directories */
 
-#ifdef FEAT_VERTSPLIT
+#ifdef FEAT_WINDOWS
 # define W_WINCOL(wp)	(wp->w_wincol)
 # define W_WIDTH(wp)	(wp->w_width)
 # define W_ENDCOL(wp)	(wp->w_wincol + wp->w_width)