diff --git a/Cargo.lock b/Cargo.lock
index 7d081ab..65d24b8 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -352,9 +352,9 @@ checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.122"
+version = "0.2.123"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec647867e2bf0772e28c8bcde4f0d19a9216916e890543b5a03ed8ef27b8f259"
+checksum = "cb691a747a7ab48abc15c5b42066eaafde10dc427e3b6ee2a1cf43db04c763bd"
 
 [[package]]
 name = "log"
@@ -520,9 +520,9 @@ dependencies = [
 
 [[package]]
 name = "quote"
-version = "1.0.17"
+version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "632d02bff7f874a36f33ea8bb416cd484b90cc66c1194b1a1110d067a7013f58"
+checksum = "a1feb54ed693b93a84e14094943b84b7c4eae204c512b7ccb95ab0c66d278ad1"
 dependencies = [
  "proc-macro2",
 ]
diff --git a/shell.nix b/shell.nix
index d2ec04a..9dac5b6 100644
--- a/shell.nix
+++ b/shell.nix
@@ -1,8 +1,8 @@
 let
   rust = import (builtins.fetchTarball
-    "https://github.com/oxalica/rust-overlay/archive/46d8d20fce510c6a25fa66f36e31f207f6ea49e4.tar.gz");
+    "https://github.com/oxalica/rust-overlay/archive/80868ba348db2b5e733483454cbb5770f2951077.tar.gz");
   pkgs = import (builtins.fetchTarball
-    "https://github.com/NixOS/nixpkgs/archive/d19a9162c848517cfc9437f10945b736d718b948.tar.gz") {
+    "https://github.com/NixOS/nixpkgs/archive/d8cec85ca62e9f6c1576a8d87ebd17350710b449.tar.gz") {
       overlays = [ rust ];
     };
 in pkgs.mkShell {
diff --git a/src/shell.rs b/src/shell.rs
index 79554f4..229e005 100644
--- a/src/shell.rs
+++ b/src/shell.rs
@@ -35,6 +35,8 @@ make_template!(Zsh, "zsh.txt");
 #[cfg(feature = "nix-dev")]
 #[cfg(test)]
 mod tests {
+    use std::{ffi::OsString, os::unix::prelude::OpenOptionsExt};
+
     use askama::Template;
     use assert_cmd::Command;
     use rstest::rstest;
@@ -149,7 +151,7 @@ mod tests {
         let source = Nushell(&opts).render().unwrap();
 
         let tempdir = tempfile::tempdir().unwrap();
-        let tempdir = tempdir.path().to_str().unwrap();
+        let tempdir = tempdir.path();
 
         let assert =
             Command::new("nu").env("HOME", tempdir).args(&["--commands", &source]).assert().success().stderr("");
diff --git a/templates/bash.txt b/templates/bash.txt
index 9ee60fa..9b3c9f4 100644
--- a/templates/bash.txt
+++ b/templates/bash.txt
@@ -58,8 +58,7 @@ fi
 {% endif -%}
 
 {{ section }}
-# When using zoxide with --no-cmd, alias these internal functions as
-# desired.
+# When using zoxide with --no-cmd, alias these internal functions as desired.
 #
 
 __zoxide_z_prefix='z#'
diff --git a/templates/elvish.txt b/templates/elvish.txt
index 5256756..a236c8b 100644
--- a/templates/elvish.txt
+++ b/templates/elvish.txt
@@ -41,8 +41,7 @@ if (builtin:not (builtin:eq $E:__zoxide_shlvl $E:SHLVL)) {
 {%- endif %}
 
 {{ section }}
-# When using zoxide with --no-cmd, alias these internal functions as
-# desired.
+# When using zoxide with --no-cmd, alias these internal functions as desired.
 #
 
 # Jump to a directory using only keywords.
diff --git a/templates/fish.txt b/templates/fish.txt
index c73a987..683a326 100644
--- a/templates/fish.txt
+++ b/templates/fish.txt
@@ -53,8 +53,7 @@ end
 {%- endif %}
 
 {{ section }}
-# When using zoxide with --no-cmd, alias these internal functions as
-# desired.
+# When using zoxide with --no-cmd, alias these internal functions as desired.
 #
 
 # Jump to a directory using only keywords.
diff --git a/templates/nushell.txt b/templates/nushell.txt
index c178760..e9c08cb 100644
--- a/templates/nushell.txt
+++ b/templates/nushell.txt
@@ -37,8 +37,7 @@ echo "zoxide: PWD hooks are not supported on Nushell.\nUse `zoxide init nushell
 {%- endmatch %}
 
 {{ section }}
-# When using zoxide with --no-cmd, alias these internal functions as
-# desired.
+# When using zoxide with --no-cmd, alias these internal functions as desired.
 #
 
 # Jump to a directory using only keywords.
diff --git a/templates/posix.txt b/templates/posix.txt
index 29989d3..f9fd9a5 100644
--- a/templates/posix.txt
+++ b/templates/posix.txt
@@ -47,8 +47,7 @@ fi
 {%- endmatch %}
 
 {{ section }}
-# When using zoxide with --no-cmd, alias these internal functions as
-# desired.
+# When using zoxide with --no-cmd, alias these internal functions as desired.
 #
 
 # Jump to a directory using only keywords.
diff --git a/templates/powershell.txt b/templates/powershell.txt
index 69e904c..6c89fc1 100644
--- a/templates/powershell.txt
+++ b/templates/powershell.txt
@@ -67,8 +67,7 @@ if ($__zoxide_hooked -ne 1) {
 }
 
 {{ section }}
-# When using zoxide with --no-cmd, alias these internal functions as
-# desired.
+# When using zoxide with --no-cmd, alias these internal functions as desired.
 #
 
 # Jump to a directory using only keywords.
diff --git a/templates/xonsh.txt b/templates/xonsh.txt
index f6f7802..07baee5 100644
--- a/templates/xonsh.txt
+++ b/templates/xonsh.txt
@@ -108,8 +108,7 @@ if "__zoxide_hook" not in globals():
 {% endif %}
 
 {{ section }}
-# When using zoxide with --no-cmd, alias these internal functions as
-# desired.
+# When using zoxide with --no-cmd, alias these internal functions as desired.
 #
 
 
diff --git a/templates/zsh.txt b/templates/zsh.txt
index 545de74..ded2f34 100644
--- a/templates/zsh.txt
+++ b/templates/zsh.txt
@@ -46,8 +46,7 @@ fi
 {%- endif %}
 
 {{ section }}
-# When using zoxide with --no-cmd, alias these internal functions as
-# desired.
+# When using zoxide with --no-cmd, alias these internal functions as desired.
 #
 
 __zoxide_z_prefix='z#'
diff --git a/xtask/src/main.rs b/xtask/src/main.rs
index 69df33d..4af61c6 100644
--- a/xtask/src/main.rs
+++ b/xtask/src/main.rs
@@ -136,6 +136,7 @@ fn enable_nix() -> bool {
     }
     let nix_enabled = env::var_os("IN_NIX_SHELL").unwrap_or_default() == "pure";
     if nix_enabled {
+        env::set_var("CARGO_TARGET_DIR", "target_nix");
         return true;
     }
     let nix_detected = Command::new("nix-shell").arg("--version").status().map(|s| s.success()).unwrap_or(false);
@@ -147,10 +148,6 @@ fn enable_nix() -> bool {
     let args = env::args();
     let cmd = shell_words::join(args);
 
-    let status = Command::new("nix-shell")
-        .args(&["--pure", "--run", &cmd, "--", "shell.nix"])
-        .env("CARGO_TARGET_DIR", "target_nix")
-        .status()
-        .unwrap();
+    let status = Command::new("nix-shell").args(&["--pure", "--run", &cmd, "--", "shell.nix"]).status().unwrap();
     process::exit(status.code().unwrap_or(1));
 }