diff --git a/src/eval.c b/src/eval.c
index 1b1072c..c7cc008 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -24762,7 +24762,7 @@
 	    p = alloc(_MAX_PATH + 1);
 	    if (p != NULL)
 	    {
-		if (GetLongPathName(*fnamep, p, MAXPATHL))
+		if (GetLongPathName(*fnamep, p, _MAX_PATH))
 		{
 		    vim_free(*bufp);
 		    *bufp = *fnamep = p;