--- a/src/header/time/mod.rs
+++ b/src/header/time/mod.rs
@@ -57,6 +57,16 @@
     }
 }
 
+#[cfg(target_os = "redox")]
+impl<'a> From<&'a syscall::TimeSpec> for timespec {
+    fn from(tp: &syscall::TimeSpec) -> Self {
+        Self {
+            tv_sec: tp.tv_sec as _,
+            tv_nsec: tp.tv_nsec as _,
+        }
+    }
+}
+
 /// timer_t internal data, ABI unstable
 #[repr(C)]
 #[derive(Clone)]