diff --git a/src/nvim/ex_getln.c b/src/nvim/ex_getln.c
index e092ea45cf..2a91e9c672 100644
--- a/src/nvim/ex_getln.c
+++ b/src/nvim/ex_getln.c
@@ -2385,6 +2385,7 @@ static int command_line_changed(CommandLineState *s)
   // Trigger CmdlineChanged autocommands.
   do_autocmd_cmdlinechanged(s->firstc > 0 ? s->firstc : '-');
 
+  const bool prev_cmdpreview = cmdpreview;
   if (s->firstc == ':'
       && current_sctx.sc_sid == 0    // only if interactive
       && *p_icm != NUL       // 'inccommand' is set
@@ -2393,10 +2394,11 @@ static int command_line_changed(CommandLineState *s)
       && !vpeekc_any()
       && cmdpreview_may_show(s)) {
     // 'inccommand' preview has been shown.
-  } else if (cmdpreview) {
-    cmdpreview = false;
-    update_screen(UPD_SOME_VALID);  // Clear 'inccommand' preview.
   } else {
+    cmdpreview = false;
+    if (prev_cmdpreview) {
+      update_screen(UPD_SOME_VALID);  // Clear 'inccommand' preview.
+    }
     if (s->xpc.xp_context == EXPAND_NOTHING && (KeyTyped || vpeekc() == NUL)) {
       may_do_incsearch_highlighting(s->firstc, s->count, &s->is_state);
     }
diff --git a/test/functional/ui/inccommand_spec.lua b/test/functional/ui/inccommand_spec.lua
index 9ca4673efe..49b3c7a655 100644
--- a/test/functional/ui/inccommand_spec.lua
+++ b/test/functional/ui/inccommand_spec.lua
@@ -1190,6 +1190,8 @@ describe(":substitute, inccommand=split", function()
   end)
 
   it("deactivates if 'redrawtime' is exceeded #5602", function()
+    -- prevent redraws from 'incsearch'
+    meths.set_option('incsearch', false)
     -- Assert that 'inccommand' is ENABLED initially.
     eq("split", eval("&inccommand"))
     -- Set 'redrawtime' to minimal value, to ensure timeout is triggered.
@@ -2972,6 +2974,59 @@ it(':substitute with inccommand, does not crash if range contains invalid marks'
   ]])
 end)
 
+it(':substitute with inccommand, no unnecessary redraw if preview is not shown', function()
+  local screen = Screen.new(60, 6)
+  clear()
+  common_setup(screen, 'split', 'test')
+  feed(':ls<CR>')
+  screen:expect([[
+    test                                                        |
+    {15:~                                                           }|
+    {11:                                                            }|
+    :ls                                                         |
+      1 %a + "[No Name]"                    line 1              |
+    {13:Press ENTER or type command to continue}^                     |
+  ]])
+  feed(':s')
+  -- no unnecessary redraw, so messages are still shown
+  screen:expect([[
+    test                                                        |
+    {15:~                                                           }|
+    {11:                                                            }|
+    :ls                                                         |
+      1 %a + "[No Name]"                    line 1              |
+    :s^                                                          |
+  ]])
+  feed('o')
+  screen:expect([[
+    test                                                        |
+    {15:~                                                           }|
+    {11:                                                            }|
+    :ls                                                         |
+      1 %a + "[No Name]"                    line 1              |
+    :so^                                                         |
+  ]])
+  feed('<BS>')
+  screen:expect([[
+    test                                                        |
+    {15:~                                                           }|
+    {11:                                                            }|
+    :ls                                                         |
+      1 %a + "[No Name]"                    line 1              |
+    :s^                                                          |
+  ]])
+  feed('/test')
+  -- now inccommand is shown, so screen is redrawn
+  screen:expect([[
+    {12:test}                                                        |
+    {15:~                                                           }|
+    {15:~                                                           }|
+    {15:~                                                           }|
+    {15:~                                                           }|
+    :s/test^                                                     |
+  ]])
+end)
+
 it(":substitute doesn't crash with inccommand, if undo is empty #12932", function()
   local screen = Screen.new(10,5)
   clear()