diff --git a/src/term.c b/src/term.c
index 3a27fa6..1739f5b 100644
--- a/src/term.c
+++ b/src/term.c
@@ -2361,7 +2361,7 @@
     return 0;
 }
 
-#ifdef FEAT_GUI
+#if defined(FEAT_GUI) || defined(PROTO)
     int
 term_is_gui(char_u *name)
 {
@@ -2823,7 +2823,7 @@
 
     winpos_x = prev_winpos_x;
     winpos_y = prev_winpos_y;
-    if (timeout < 10 && prev_winpos_y >= 0 && prev_winpos_y >= 0)
+    if (timeout < 10 && prev_winpos_y >= 0 && prev_winpos_x >= 0)
     {
 	/* Polling: return previous values if we have them. */
 	*x = winpos_x;