diff --git a/src/testdir/dumps/Test_pum_stopped_by_timer.dump b/src/testdir/dumps/Test_pum_stopped_by_timer.dump
new file mode 100644
index 0000000..77ad5ce
--- /dev/null
+++ b/src/testdir/dumps/Test_pum_stopped_by_timer.dump
@@ -0,0 +1,12 @@
+|h+0&#ffffff0|e|l@1|o| @69
+|h|u|l@1|o| @69
+|h|e@2>e| @69
+|h|e|l@1|o| @69
+|~+0#4040ff13&| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+|~| @73
+| +0#0000000&@56|3|,|5| @10|A|l@1| 
diff --git a/src/testdir/test_ins_complete.vim b/src/testdir/test_ins_complete.vim
index f77512a..005e14c 100644
--- a/src/testdir/test_ins_complete.vim
+++ b/src/testdir/test_ins_complete.vim
@@ -407,6 +407,28 @@
   set completeslash=
 endfunc
 
+func Test_pum_stopped_by_timer()
+  CheckScreendump
+
+  let lines =<< trim END
+    call setline(1, ['hello', 'hullo', 'heeee', ''])
+    func StartCompl()
+      call timer_start(100, { -> execute('stopinsert') })
+      call feedkeys("Gah\<C-N>")
+    endfunc
+  END
+
+  call writefile(lines, 'Xpumscript')
+  let buf = RunVimInTerminal('-S Xpumscript', #{rows: 12})
+  call term_sendkeys(buf, ":call StartCompl()\<CR>")
+  call TermWait(buf, 200)
+  call term_sendkeys(buf, "k")
+  call VerifyScreenDump(buf, 'Test_pum_stopped_by_timer', {})
+
+  call StopVimInTerminal(buf)
+  call delete('Xpumscript')
+endfunc
+
 func Test_pum_with_folds_two_tabs()
   CheckScreendump