diff --git a/src/sys/termios.rs b/src/sys/termios.rs
index 80c73c9cdf..d08b2541a9 100644
--- a/src/sys/termios.rs
+++ b/src/sys/termios.rs
@@ -583,10 +583,11 @@ libc_enum! {
     }
 }
 
-#[cfg(not(all(target_os = "linux", target_arch = "sparc64")))]
-pub const VMIN: SpecialCharacterIndices = SpecialCharacterIndices::VEOF;
-#[cfg(not(all(target_os = "linux", target_arch = "sparc64")))]
-pub const VTIME: SpecialCharacterIndices = SpecialCharacterIndices::VEOL;
+#[cfg(all(target_os = "linux", target_arch = "sparc64"))]
+impl SpecialCharacterIndices {
+    pub const VMIN: SpecialCharacterIndices = SpecialCharacterIndices::VEOF;
+    pub const VTIME: SpecialCharacterIndices = SpecialCharacterIndices::VEOL;
+}
 
 pub use libc::NCCS;
 #[cfg(any(target_os = "dragonfly",