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-rw-r--r--src/libstd/sys/unix/mod.rs2
1 files changed, 1 insertions, 1 deletions
diff --git a/src/libstd/sys/unix/mod.rs b/src/libstd/sys/unix/mod.rs
index c57751a01d7..854d380d128 100644
--- a/src/libstd/sys/unix/mod.rs
+++ b/src/libstd/sys/unix/mod.rs
@@ -92,7 +92,7 @@ pub fn init() {
 
     #[cfg(not(any(target_os = "nacl", target_os = "emscripten", target_os="fuchsia")))]
     unsafe fn reset_sigpipe() {
-        assert!(signal(libc::SIGPIPE, libc::SIG_IGN) != !0);
+        assert!(signal(libc::SIGPIPE, libc::SIG_IGN) != libc::SIG_ERR);
     }
     #[cfg(any(target_os = "nacl", target_os = "emscripten", target_os="fuchsia"))]
     unsafe fn reset_sigpipe() {}