diff --git a/src/testdir/test_textprop.vim b/src/testdir/test_textprop.vim
index d26efa9..bcf83ca 100644
--- a/src/testdir/test_textprop.vim
+++ b/src/testdir/test_textprop.vim
@@ -4757,4 +4757,29 @@
   call StopVimInTerminal(buf)
 endfunc
 
+func Test_textprop_materialize_list()
+	let ids = range(3)
+	call assert_equal([], prop_list(1, #{ids: ids}))
+
+	let ids = range(3) + []
+	call assert_equal([], prop_list(1, #{ids: ids}))
+
+	let ids = range(3)
+	let ids[0] = ids[0]
+	call assert_equal([], prop_list(1, #{ids: ids}))
+
+	let ids = range(3)
+	call assert_equal([], prop_list(1, #{ids: ids}))
+
+	call assert_equal([], prop_list(1, #{ids: range(3) + [] }))
+
+	let ids = range(3)
+	call assert_equal([], prop_list(1, #{ids: ids}))
+
+	let ids = range(0, 3)
+	call assert_equal([], prop_list(1, #{ids: ids}))
+
+	call assert_equal([], prop_list(1, #{ids: 3->range()}))
+endfunc
+
 " vim: shiftwidth=2 sts=2 expandtab
diff --git a/src/textprop.c b/src/textprop.c
index d16f8ec..a06605d 100644
--- a/src/textprop.c
+++ b/src/textprop.c
@@ -1439,7 +1439,7 @@
 {
     int		*prop_ids;
     listitem_T	*li;
-    int		i;
+    int		i = 0;
     int		id;
     int		error;
 
@@ -1449,7 +1449,7 @@
     if (prop_ids == NULL)
 	return NULL;
 
-    i = 0;
+    CHECK_LIST_MATERIALIZE(l);
     FOR_ALL_LIST_ITEMS(l, li)
     {
 	error = FALSE;
diff --git a/src/version.c b/src/version.c
index a6c749d..252c143 100644
--- a/src/version.c
+++ b/src/version.c
@@ -710,6 +710,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1401,
+/**/
     1400,
 /**/
     1399,