diff --git a/winit-orbital/src/event_loop.rs b/winit-orbital/src/event_loop.rs
index 9c9b1adc5..760fe20bf 100644
--- a/winit-orbital/src/event_loop.rs
+++ b/winit-orbital/src/event_loop.rs
@@ -1,5 +1,6 @@
 use std::cell::Cell;
 use std::collections::VecDeque;
+use std::os::raw::c_long;
 use std::sync::atomic::{AtomicBool, Ordering};
 use std::sync::{Arc, Mutex, mpsc};
 use std::time::Instant;
@@ -642,7 +643,7 @@ impl EventLoop {
 
                 if let Some(duration) = instant.checked_duration_since(start) {
                     time.tv_sec += duration.as_secs() as i64;
-                    time.tv_nsec += duration.subsec_nanos() as i64;
+                    time.tv_nsec += duration.subsec_nanos() as c_long;
                     // Normalize timespec so tv_nsec is not greater than one second.
                     while time.tv_nsec >= 1_000_000_000 {
                         time.tv_sec += 1;