diff --git a/src/fcntl.rs b/src/fcntl.rs
index 67e3a7c2b5..f4d19ba3af 100644
--- a/src/fcntl.rs
+++ b/src/fcntl.rs
@@ -141,7 +141,7 @@ libc_bitflags!(
         #[cfg(any(
             freebsdlike,
             linux_android,
-            solarish,
+            target_os = "illumos",
             target_os = "netbsd"
         ))]
         O_DIRECT;