diff --git a/lua/winmove/resize.lua b/lua/winmove/resize.lua
index d82951d..70f47ec 100644
--- a/lua/winmove/resize.lua
+++ b/lua/winmove/resize.lua
@@ -62,7 +62,7 @@ local function adjust_neighbors_in_direction(dir, get_dimension, min_dimension,
                 resize.resize_window,
                 neighbor_win_id,
                 dir,
-                count,
+                min_dimension - dimension,
                 anchor
             )
 
diff --git a/tests/resize_adjust_neighbors_spec.lua b/tests/resize_adjust_neighbors_spec.lua
index 6a67ca8..d0313b6 100644
--- a/tests/resize_adjust_neighbors_spec.lua
+++ b/tests/resize_adjust_neighbors_spec.lua
@@ -264,29 +264,30 @@ describe("resize", function()
                         },
                     })
 
-                    ---@type table<integer, integer>
-                    local minwidth_map = {}
+                    vim.go.winwidth = vim.o.columns / 5 / 2
 
                     for _, _win_id in ipairs(vim.api.nvim_tabpage_list_wins(0)) do
-                        vim.api.nvim_win_call(_win_id, function()
-                            local minwidth = vim.api.nvim_win_get_width(win_id) - count * 3
-                            vim.opt_local.signcolumn = "no"
-                            vim.opt_local.winwidth = minwidth
-                            minwidth_map[_win_id] = minwidth
-                        end)
+                        vim.wo[_win_id].signcolumn = "no"
                     end
 
                     vim.api.nvim_set_current_win(win_id)
 
                     local _, _, main_width_before, _ = get_win_pos_and_dimensions(win_id)
-                    local _, col_before1, _, _ = get_win_pos_and_dimensions(layout["neighbor1"])
-                    local _, _, _, _ = get_win_pos_and_dimensions(layout["neighbor2"])
-                    local _, _, _, _ = get_win_pos_and_dimensions(layout["neighbor3"])
+                    local _, col_before1, n1_width_before, _ =
+                        get_win_pos_and_dimensions(layout["neighbor1"])
+                    local _, _, n2_width_before, _ = get_win_pos_and_dimensions(layout["neighbor2"])
+                    local _, _, n3_width_before, _ = get_win_pos_and_dimensions(layout["neighbor3"])
                     local _, _, _, _ = get_win_pos_and_dimensions(layout["bottom neighbor"])
                     local _, col_before4, width_before4, _ =
                         get_win_pos_and_dimensions(layout["neighbor4"])
 
-                    for _ = 1, 10 do
+                    local resize_count = n1_width_before
+                        + n2_width_before
+                        + n3_width_before
+                        - (vim.go.winwidth * 3)
+                        + 1
+
+                    for _ = 1, resize_count do
                         winmove.resize_window(win_id, "h", count, winmove.ResizeAnchor.BottomRight)
                     end
 
@@ -305,37 +306,34 @@ describe("resize", function()
 
                     assert.are.same(
                         vim.api.nvim_win_get_width(layout["neighbor1"]),
-                        minwidth_map[layout["neighbor1"]]
+                        vim.go.winwidth
                     )
                     assert.are.same(
                         vim.api.nvim_win_get_width(layout["neighbor2"]),
-                        minwidth_map[layout["neighbor2"]]
+                        vim.go.winwidth
                     )
                     assert.are.same(
                         vim.api.nvim_win_get_width(layout["neighbor3"]),
-                        minwidth_map[layout["neighbor3"]]
+                        vim.go.winwidth
                     )
 
                     -- + 3 for the window separators
-                    local left_total_width = minwidth_map[layout["neighbor1"]]
-                        + minwidth_map[layout["neighbor2"]]
-                        + minwidth_map[layout["neighbor3"]]
+                    local left_total_width = vim.api.nvim_win_get_width(layout["neighbor1"])
+                        + vim.api.nvim_win_get_width(layout["neighbor2"])
+                        + vim.api.nvim_win_get_width(layout["neighbor3"])
                         + 3
 
                     assert.are.same(main_col_after, left_total_width)
                     assert.is._true(main_width_after > main_width_before)
 
                     assert.are.same(col_before1, col_after1)
-                    assert.are.same(width_after1, minwidth_map[layout["neighbor1"]])
+                    assert.are.same(width_after1, vim.go.winwidth)
 
-                    assert.are.same(col_after2, minwidth_map[layout["neighbor1"]] + 1)
-                    assert.are.same(width_after2, minwidth_map[layout["neighbor2"]])
+                    assert.are.same(col_after2, vim.go.winwidth + 1)
+                    assert.are.same(width_after2, vim.go.winwidth)
 
-                    assert.are.same(
-                        col_after3,
-                        minwidth_map[layout["neighbor1"]] + minwidth_map[layout["neighbor2"]] + 2
-                    )
-                    assert.are.same(width_after3, minwidth_map[layout["neighbor3"]])
+                    assert.are.same(col_after3, vim.go.winwidth * 2 + 2)
+                    assert.are.same(width_after3, vim.go.winwidth)
 
                     -- + 2 for the window separators
                     local top_column_width = vim.api.nvim_win_get_width(layout["neighbor2"])