1 files changed, 4 insertions, 0 deletions
diff --git a/src/nvim/window.c b/src/nvim/window.c
index 60bba19b07..69c0a838ea 100644
--- a/src/nvim/window.c
+++ b/src/nvim/window.c
@@ -48,6 +48,7 @@
 #include "nvim/syntax.h"
 #include "nvim/terminal.h"
 #include "nvim/undo.h"
+#include "nvim/ui.h"
 #include "nvim/os/os.h"
 
 
@@ -5223,6 +5224,9 @@ static void last_status_rec(frame_T *fr, int statusline)
  */
 int tabline_height(void)
 {
+  if (ui_is_external(kUITabline)) {
+    return 0;
+  }
   assert(first_tabpage);
   switch (p_stal) {
   case 0: return 0;