diff --git a/flake.lock b/flake.lock
index 0073ab1..96bc1c2 100644
--- a/flake.lock
+++ b/flake.lock
@@ -23,11 +23,11 @@
     "flake-compat": {
       "flake": false,
       "locked": {
-        "lastModified": 1606424373,
-        "narHash": "sha256-oq8d4//CJOrVj+EcOaSXvMebvuTkmBJuT5tzlfewUnQ=",
+        "lastModified": 1627913399,
+        "narHash": "sha256-hY8g6H2KFL8ownSiFeMOjwPC8P0ueXpCVEbxgda3pko=",
         "owner": "edolstra",
         "repo": "flake-compat",
-        "rev": "99f1c2157fba4bfe6211a321fd0ee43199025dbf",
+        "rev": "12c64ca55c1014cdc1b16ed5a804aa8576601ff2",
         "type": "github"
       },
       "original": {
@@ -58,11 +58,11 @@
         ]
       },
       "locked": {
-        "lastModified": 1627567481,
-        "narHash": "sha256-TEb7VEDruimeDe0h8PKpTGbXrFhgvPx3gqu3yjNJHyQ=",
+        "lastModified": 1627592512,
+        "narHash": "sha256-+bauwACGl+/dTQB047XImRz5P6Lp6vxl5ruiKjtENxo=",
         "owner": "nix-community",
         "repo": "home-manager",
-        "rev": "5f6364fc28065d6b26423512e14207ce0bffb27a",
+        "rev": "7f976da06840c268cc291a021bab7532b923713c",
         "type": "github"
       },
       "original": {
@@ -80,11 +80,11 @@
       },
       "locked": {
         "dir": "contrib",
-        "lastModified": 1627486167,
-        "narHash": "sha256-hG4lvrQHOZQeD/M9IChfAWx3R0gEE22H6jSD7ajrtkA=",
+        "lastModified": 1627946637,
+        "narHash": "sha256-GO17FYEQfUu09L5oh/icxN+FOBqKMfWWNfzCJiF/kjs=",
         "owner": "neovim",
         "repo": "neovim",
-        "rev": "ac5139eae412c5b80ffe5fb5f3d1c9461bf91940",
+        "rev": "8baf7bce2b51e8d3d47b6c70ce054663d927639a",
         "type": "github"
       },
       "original": {
@@ -101,11 +101,11 @@
         "nixpkgs": "nixpkgs"
       },
       "locked": {
-        "lastModified": 1627546611,
-        "narHash": "sha256-LmVX8ivhHphkVMw8NTKzvA9DCEwmbf41SWNoe8Y606k=",
+        "lastModified": 1627978407,
+        "narHash": "sha256-dwcd10ap1W3p17NcKUdpjMPUzKEZLfOicZN6uKC0+SI=",
         "owner": "nix-community",
         "repo": "neovim-nightly-overlay",
-        "rev": "a324fe38852490fa2e0242a5dcc888f4bfa1a377",
+        "rev": "e637af22f0a71b678a1352139db91898ff991315",
         "type": "github"
       },
       "original": {
@@ -116,11 +116,11 @@
     },
     "nixos-hardware": {
       "locked": {
-        "lastModified": 1627365147,
-        "narHash": "sha256-weGn8tUd8VP+YFCqYZ8fOV8OPJxrZLtna8YJKri0Zfk=",
+        "lastModified": 1627666012,
+        "narHash": "sha256-Dx93VcfFwFlUex2Me4i+lS2IFwNrSVEvTvZuP/vmmXQ=",
         "owner": "NixOS",
         "repo": "nixos-hardware",
-        "rev": "615e23579fec9bf0753fd72a8a447d9fb847c58f",
+        "rev": "09ed30ff3bb67f5efe9c77e0d79aca01793526ca",
         "type": "github"
       },
       "original": {
@@ -132,11 +132,11 @@
     },
     "nixpkgs": {
       "locked": {
-        "lastModified": 1627391865,
-        "narHash": "sha256-tPoWBO9Nzu3wuX37WcnctzL6LoDCErJLnfLGqqmXCm4=",
+        "lastModified": 1627857416,
+        "narHash": "sha256-AV0MsFVzbWI2MZbJ2j0kc8ooFLGSCZHuM9ipaWR9ds4=",
         "owner": "nixos",
         "repo": "nixpkgs",
-        "rev": "8ecc61c91a596df7d3293603a9c2384190c1b89a",
+        "rev": "aaf9676fbb7fb4570216ca1e189a3dc769d62c45",
         "type": "github"
       },
       "original": {
@@ -148,11 +148,11 @@
     },
     "nixpkgs_2": {
       "locked": {
-        "lastModified": 1627391865,
-        "narHash": "sha256-tPoWBO9Nzu3wuX37WcnctzL6LoDCErJLnfLGqqmXCm4=",
+        "lastModified": 1627857416,
+        "narHash": "sha256-AV0MsFVzbWI2MZbJ2j0kc8ooFLGSCZHuM9ipaWR9ds4=",
         "owner": "NixOS",
         "repo": "nixpkgs",
-        "rev": "8ecc61c91a596df7d3293603a9c2384190c1b89a",
+        "rev": "aaf9676fbb7fb4570216ca1e189a3dc769d62c45",
         "type": "github"
       },
       "original": {
diff --git a/home/default.nix b/home/default.nix
index d0343b3..7dd3b25 100644
--- a/home/default.nix
+++ b/home/default.nix
@@ -137,9 +137,10 @@ in
 
         source $HOME/.zsh-work
 
-      '' + lib.optionals stdenv.isDarwin ''
-        export PATH="$(brew --prefix)/opt/gnu-tar/libexec/gnubin:$PATH"
-        export PATH="$(brew --prefix)/opt/gnu-sed/libexec/gnubin:$PATH"
+        if [[ "$OSTYPE" == "darwin"* ]]; then
+          export PATH="$(brew --prefix)/opt/gnu-tar/libexec/gnubin:$PATH"
+          export PATH="$(brew --prefix)/opt/gnu-sed/libexec/gnubin:$PATH"
+        fi
       '';
 
       shellAliases = {