diff --git a/src/eval.c b/src/eval.c
index 3d20d17..d313c5d 100644
--- a/src/eval.c
+++ b/src/eval.c
@@ -19231,20 +19231,30 @@
 	EMSG(_(e_invarg));
     else
     {
-	curwin->w_cursor.lnum = get_dict_number(dict, (char_u *)"lnum");
-	curwin->w_cursor.col = get_dict_number(dict, (char_u *)"col");
+	if (dict_find(dict, (char_u *)"lnum", -1) != NULL)
+	    curwin->w_cursor.lnum = get_dict_number(dict, (char_u *)"lnum");
+	if (dict_find(dict, (char_u *)"col", -1) != NULL)
+	    curwin->w_cursor.col = get_dict_number(dict, (char_u *)"col");
 #ifdef FEAT_VIRTUALEDIT
-	curwin->w_cursor.coladd = get_dict_number(dict, (char_u *)"coladd");
+	if (dict_find(dict, (char_u *)"coladd", -1) != NULL)
+	    curwin->w_cursor.coladd = get_dict_number(dict, (char_u *)"coladd");
 #endif
-	curwin->w_curswant = get_dict_number(dict, (char_u *)"curswant");
-	curwin->w_set_curswant = FALSE;
+	if (dict_find(dict, (char_u *)"curswant", -1) != NULL)
+	{
+	    curwin->w_curswant = get_dict_number(dict, (char_u *)"curswant");
+	    curwin->w_set_curswant = FALSE;
+	}
 
-	set_topline(curwin, get_dict_number(dict, (char_u *)"topline"));
+	if (dict_find(dict, (char_u *)"topline", -1) != NULL)
+	    set_topline(curwin, get_dict_number(dict, (char_u *)"topline"));
 #ifdef FEAT_DIFF
-	curwin->w_topfill = get_dict_number(dict, (char_u *)"topfill");
+	if (dict_find(dict, (char_u *)"topfill", -1) != NULL)
+	    curwin->w_topfill = get_dict_number(dict, (char_u *)"topfill");
 #endif
-	curwin->w_leftcol = get_dict_number(dict, (char_u *)"leftcol");
-	curwin->w_skipcol = get_dict_number(dict, (char_u *)"skipcol");
+	if (dict_find(dict, (char_u *)"leftcol", -1) != NULL)
+	    curwin->w_leftcol = get_dict_number(dict, (char_u *)"leftcol");
+	if (dict_find(dict, (char_u *)"skipcol", -1) != NULL)
+	    curwin->w_skipcol = get_dict_number(dict, (char_u *)"skipcol");
 
 	check_cursor();
 	win_new_height(curwin, curwin->w_height);