diff --git a/Cargo.lock b/Cargo.lock
index 24ccde7..72643a4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -324,6 +324,15 @@ dependencies = [
  "syn 2.0.63",
 ]
 
+[[package]]
+name = "atomic"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8d818003e740b63afc82337e3160717f4f63078720a810b7b903e70a5d1d2994"
+dependencies = [
+ "bytemuck",
+]
+
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -2179,6 +2188,7 @@ dependencies = [
  "arrayvec",
  "async-channel",
  "async-io 1.13.0",
+ "atomic",
  "bitflags 2.5.0",
  "bytemuck",
  "calloop 0.13.0",
diff --git a/Cargo.toml b/Cargo.toml
index f1652eb..88bfca1 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -45,6 +45,7 @@ anyhow.workspace = true
 arrayvec = "0.7.4"
 async-channel = "2.3.1"
 async-io = { version = "1.13.0", optional = true }
+atomic = "0.6.0"
 bitflags.workspace = true
 bytemuck = { version = "1.16.0", features = ["derive"] }
 calloop = { version = "0.13.0", features = ["executor", "futures-io"] }
diff --git a/src/utils/spawning.rs b/src/utils/spawning.rs
index 9a274ff..871f05d 100644
--- a/src/utils/spawning.rs
+++ b/src/utils/spawning.rs
@@ -2,11 +2,12 @@ use std::ffi::OsStr;
 use std::os::unix::process::CommandExt;
 use std::path::Path;
 use std::process::{Child, Command, Stdio};
-use std::sync::atomic::{AtomicBool, AtomicU64, Ordering};
+use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::RwLock;
 use std::{io, thread};
 
-use libc::{getrlimit, rlimit, setrlimit, RLIMIT_NOFILE};
+use atomic::Atomic;
+use libc::{getrlimit, rlim_t, rlimit, setrlimit, RLIMIT_NOFILE};
 use niri_config::Environment;
 
 use crate::utils::expand_home;
@@ -15,8 +16,8 @@ pub static REMOVE_ENV_RUST_BACKTRACE: AtomicBool = AtomicBool::new(false);
 pub static REMOVE_ENV_RUST_LIB_BACKTRACE: AtomicBool = AtomicBool::new(false);
 pub static CHILD_ENV: RwLock<Environment> = RwLock::new(Environment(Vec::new()));
 
-static ORIGINAL_NOFILE_RLIMIT_CUR: AtomicU64 = AtomicU64::new(0);
-static ORIGINAL_NOFILE_RLIMIT_MAX: AtomicU64 = AtomicU64::new(0);
+static ORIGINAL_NOFILE_RLIMIT_CUR: Atomic<rlim_t> = Atomic::new(0);
+static ORIGINAL_NOFILE_RLIMIT_MAX: Atomic<rlim_t> = Atomic::new(0);
 
 /// Increases the nofile rlimit to the maximum and stores the original value.
 pub fn store_and_increase_nofile_rlimit() {