diff --git a/lisp/tab-bar.el b/lisp/tab-bar.el
index 35474e1c674..08f904ec73d 100644
--- a/lisp/tab-bar.el
+++ b/lisp/tab-bar.el
@@ -1586,7 +1595,8 @@ tab-bar-new-tab-to
               (window-state-put (window-state-get))
             ;; Create a new window to get rid of old window parameters
             ;; (e.g. prev/next buffers) of old window.
-            (split-window) (delete-window))))
+            (let ((window-min-height 1)) (split-window))
+            (delete-window))))
 
       (let ((buffer
              (if (and (functionp tab-bar-new-tab-choice)
diff --git a/lisp/window.el b/lisp/window.el
index aa7520f30fa..b2ee869940a 100644
--- a/lisp/window.el
+++ b/lisp/window.el
@@ -6391,7 +6396,8 @@ window-state-put
                      (selected-window)))
       (delete-other-windows-internal window root)
       ;; Create a new window to replace the existing one.
-      (setq window (prog1 (split-window window)
+      (setq window (prog1 (let ((window-min-height 1))
+                            (split-window window))
                      (delete-window window)))))
 
   (set-window-dedicated-p window nil)