diff --git a/src/testdir/test_popupwin.vim b/src/testdir/test_popupwin.vim
index f65abe4..e80621b 100644
--- a/src/testdir/test_popupwin.vim
+++ b/src/testdir/test_popupwin.vim
@@ -1423,6 +1423,8 @@
 
   let lines =<< trim END
     call setline(1, range(1, 20))
+    hi ScrollThumb ctermbg=blue
+    hi ScrollBar ctermbg=red
     let winid = popup_create(['one', 'two', 'three', 'four', 'five',
 	  \ 'six', 'seven', 'eight', 'nine'], {
 	  \ 'minwidth': 8,
@@ -1449,6 +1451,7 @@
   call term_sendkeys(buf, ":call popup_setoptions(winid, {'firstline': 9})\<CR>")
   call VerifyScreenDump(buf, 'Test_popupwin_scroll_4', {})
 
+  call term_sendkeys(buf, ":call popup_setoptions(winid, {'scrollbarhighlight': 'ScrollBar', 'thumbhighlight': 'ScrollThumb'})\<CR>")
   call term_sendkeys(buf, ":call ScrollUp()\<CR>")
   call VerifyScreenDump(buf, 'Test_popupwin_scroll_5', {})
 
diff --git a/src/version.c b/src/version.c
index b34071e..55c62df 100644
--- a/src/version.c
+++ b/src/version.c
@@ -778,6 +778,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    1601,
+/**/
     1600,
 /**/
     1599,