diff --git a/src/sys/signal.rs b/src/sys/signal.rs
index 62e58165ce..90ba3ed065 100644
--- a/src/sys/signal.rs
+++ b/src/sys/signal.rs
@@ -414,7 +414,7 @@ cfg_if! {
     if #[cfg(target_os = "redox")] {
         type SaFlags_t = libc::c_ulong;
     } else if #[cfg(target_env = "uclibc")] {
-        type SaFlags_t = libc::c_ulong;
+        type SaFlags_t = libc::c_uint;
     } else {
         type SaFlags_t = libc::c_int;
     }