diff --git a/Cargo.toml b/Cargo.toml
index 438bb989f..7ee1badb0 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -70,5 +70,6 @@ opt-level = 3
 
 [patch.crates-io]
 # REDOX START, Uncommment when you want to compile/check with redoxer
+# rustyline = { git = "https://github.com/kkawakam/rustyline" }
 # REDOX END
 lock_api = { git = "https://github.com/Amanieu/parking_lot" }
diff --git a/vm/src/stdlib/os.rs b/vm/src/stdlib/os.rs
index ac2910588..a0b925cf3 100644
--- a/vm/src/stdlib/os.rs
+++ b/vm/src/stdlib/os.rs
@@ -2532,7 +2532,7 @@ mod posix {
         }
     }
 
-    #[cfg(not(target_os = "windows"))]
+    #[cfg(not(any(windows, target_os = "redox")))]
     #[pyfunction]
     fn getpriority(
         which: PriorityWhichType,
@@ -2548,7 +2548,7 @@ mod posix {
         }
     }
 
-    #[cfg(not(target_os = "windows"))]
+    #[cfg(not(any(windows, target_os = "redox")))]
     #[pyfunction]
     fn setpriority(
         which: PriorityWhichType,