diff --git a/doc/upstream.md b/doc/upstream.md
index 81c4311..a485041 100644
--- a/doc/upstream.md
+++ b/doc/upstream.md
@@ -37,6 +37,7 @@ Bugs fixed in this fork that remain open upstream.
 | [#710](https://github.com/stevearc/oil.nvim/issues/710) | buftype empty on BufEnter            | [#10](https://github.com/barrettruth/canola.nvim/pull/10) ([`01b860e`](https://github.com/barrettruth/canola.nvim/commit/01b860e)) |
 | [#213](https://github.com/stevearc/oil.nvim/issues/213) | Max file size for preview            | [#85](https://github.com/barrettruth/canola.nvim/pull/85) ([`4b32ada`](https://github.com/barrettruth/canola.nvim/commit/4b32ada)) |
 | [#473](https://github.com/stevearc/oil.nvim/issues/473) | Show hidden when dir is all-hidden   | [#85](https://github.com/barrettruth/canola.nvim/pull/85) ([`2fe4e78`](https://github.com/barrettruth/canola.nvim/commit/2fe4e78)) |
+| [#486](https://github.com/stevearc/oil.nvim/issues/486) | Directory sizes show misleading 4.1k | [#87](https://github.com/barrettruth/canola.nvim/pull/87) ([`2aff22a`](https://github.com/barrettruth/canola.nvim/commit/2aff22a)) |
 
 ## Open upstream PRs
 
@@ -109,7 +110,7 @@ Bugs fixed in this fork that remain open upstream.
 | [#473](https://github.com/stevearc/oil.nvim/issues/473) | fixed          | Show all hidden files if dir only has hidden — `view_options.show_hidden_when_empty`                                                                                                  |
 | [#479](https://github.com/stevearc/oil.nvim/issues/479) | open           | Harpoon integration recipe                                                                                                                                                            |
 | [#483](https://github.com/stevearc/oil.nvim/issues/483) | not actionable | Spell downloads depend on netrw — fixed in [neovim#34940](https://github.com/neovim/neovim/pull/34940)                                                                                |
-| [#486](https://github.com/stevearc/oil.nvim/issues/486) | open           | All directory sizes show 4.1k                                                                                                                                                         |
+| [#486](https://github.com/stevearc/oil.nvim/issues/486) | fixed          | Directory sizes show 4.1k — [#87](https://github.com/barrettruth/canola.nvim/pull/87) ([`2aff22a`](https://github.com/barrettruth/canola.nvim/commit/2aff22a))                                                                                                                                                         |
 | [#492](https://github.com/stevearc/oil.nvim/issues/492) | not actionable | j/k remapping question — answered in comments                                                                                                                                         |
 | [#507](https://github.com/stevearc/oil.nvim/issues/507) | not actionable | lacasitos.nvim conflict on Windows — cross-plugin + Windows-only, no actionable fix                                                                                                   |
 | [#521](https://github.com/stevearc/oil.nvim/issues/521) | open           | oil-ssh connection issues                                                                                                                                                             |
diff --git a/lua/canola/adapters/files.lua b/lua/canola/adapters/files.lua
index dff8e1a..f828b37 100644
--- a/lua/canola/adapters/files.lua
+++ b/lua/canola/adapters/files.lua
@@ -60,6 +60,9 @@ file_columns.size = {
     if not stat then
       return columns.EMPTY
     end
+    if entry[FIELD_TYPE] == 'directory' then
+      return columns.EMPTY
+    end
     if stat.size >= 1e9 then
       return string.format('%.1fG', stat.size / 1e9)
     elseif stat.size >= 1e6 then
diff --git a/lua/canola/adapters/s3.lua b/lua/canola/adapters/s3.lua
index bc3e614..d1d82f1 100644
--- a/lua/canola/adapters/s3.lua
+++ b/lua/canola/adapters/s3.lua
@@ -8,6 +8,7 @@ local s3fs = require('canola.adapters.s3.s3fs')
 local util = require('canola.util')
 local M = {}
 
+local FIELD_TYPE = constants.FIELD_TYPE
 local FIELD_META = constants.FIELD_META
 
 ---@class (exact) canola.s3Url
@@ -84,7 +85,11 @@ s3_columns.size = {
     local meta = entry[FIELD_META]
     if not meta or not meta.size then
       return ''
-    elseif meta.size >= 1e9 then
+    end
+    if entry[FIELD_TYPE] == 'directory' then
+      return ''
+    end
+    if meta.size >= 1e9 then
       return string.format('%.1fG', meta.size / 1e9)
     elseif meta.size >= 1e6 then
       return string.format('%.1fM', meta.size / 1e6)
diff --git a/lua/canola/adapters/ssh.lua b/lua/canola/adapters/ssh.lua
index 4654b32..a0750e9 100644
--- a/lua/canola/adapters/ssh.lua
+++ b/lua/canola/adapters/ssh.lua
@@ -11,6 +11,7 @@ local util = require('canola.util')
 local M = {}
 
 local FIELD_NAME = constants.FIELD_NAME
+local FIELD_TYPE = constants.FIELD_TYPE
 local FIELD_META = constants.FIELD_META
 
 ---@class (exact) canola.sshUrl
@@ -152,7 +153,11 @@ ssh_columns.size = {
     local meta = entry[FIELD_META]
     if not meta or not meta.size then
       return ''
-    elseif meta.size >= 1e9 then
+    end
+    if entry[FIELD_TYPE] == 'directory' then
+      return ''
+    end
+    if meta.size >= 1e9 then
       return string.format('%.1fG', meta.size / 1e9)
     elseif meta.size >= 1e6 then
       return string.format('%.1fM', meta.size / 1e6)