diff --git a/lua/winmove/init.lua b/lua/winmove/init.lua
index 7b4a03b..556a266 100644
--- a/lua/winmove/init.lua
+++ b/lua/winmove/init.lua
@@ -308,7 +308,8 @@ local function split_into(win_id, dir)
     ---@diagnostic disable-next-line:param-type-mismatch
     if layout.are_siblings(win_id, target_win_id) then
         ---@diagnostic disable-next-line:param-type-mismatch
-        local reldir = layout.get_sibling_relative_dir(win_id, target_win_id, dir)
+        local reldir =
+            layout.get_sibling_relative_dir(win_id, target_win_id, dir, winmove.current_mode())
 
         split_options.vertical = not split_options.vertical
         split_options.rightbelow = reldir == "l" or reldir == "j"
diff --git a/lua/winmove/layout.lua b/lua/winmove/layout.lua
index 8fb6092..c6146af 100644
--- a/lua/winmove/layout.lua
+++ b/lua/winmove/layout.lua
@@ -1,7 +1,7 @@
 local layout = {}
 
 local winutil = require("winmove.winutil")
-local Mode = require("winmove.mode")
+local Mode = require("winmove.mode").Mode
 
 ---@class winmove.BoundingBox
 ---@field top integer
@@ -128,6 +128,8 @@ function layout.are_siblings(win_id1, win_id2)
                 end
             end
         end
+
+        return false
     end
 
     return _are_siblings(win_layout, nil, win_id1)
diff --git a/tests/relative_cursor_spec.lua b/tests/relative_cursor_spec.lua
index 11aada5..d4bfa68 100644
--- a/tests/relative_cursor_spec.lua
+++ b/tests/relative_cursor_spec.lua
@@ -35,7 +35,8 @@ describe("relative cursor", function()
             })
 
             vim.api.nvim_set_current_win(main_win_id)
-            winmove.move_window(main_win_id, "l")
+            winmove.start_mode(winmove.Mode.Move)
+            vim.cmd.normal("l")
 
             assert.matches_winlayout(vim.fn.winlayout(), {
                 "row",
@@ -80,7 +81,8 @@ describe("relative cursor", function()
             })
 
             vim.api.nvim_set_current_win(main_win_id)
-            winmove.move_window(main_win_id, "l")
+            winmove.start_mode(winmove.Mode.Move)
+            vim.cmd.normal("l")
 
             assert.matches_winlayout(vim.fn.winlayout(), {
                 "row",
@@ -132,7 +134,8 @@ describe("relative cursor", function()
             })
 
             vim.api.nvim_set_current_win(main_win_id)
-            winmove.move_window(main_win_id, "l")
+            winmove.start_mode(winmove.Mode.Move)
+            vim.cmd.normal("l")
 
             assert.matches_winlayout(vim.fn.winlayout(), {
                 "row",
@@ -206,7 +209,8 @@ describe("relative cursor", function()
             local long_line = ("x"):rep(width * 0.75)
 
             vim.api.nvim_buf_set_lines(buffer, 0, 1, true, { long_line })
-            winmove.move_window(win_id, "k")
+            winmove.start_mode(winmove.Mode.Move)
+            vim.cmd.normal("k")
 
             assert.matches_winlayout(vim.fn.winlayout(), {
                 "row",