diff --git a/src/context/switch.rs b/src/context/switch.rs
index 0077ea06..ea2ef7e0 100644
--- a/src/context/switch.rs
+++ b/src/context/switch.rs
@@ -50,7 +50,7 @@ pub const STEAL_INTERVAL: usize = 2;
 pub const MAX_STEAL: usize = 2;
 
 unsafe fn opportunistic_write_arc(lock: &Arc<ContextLock>) -> Option<ArcContextLockWriteGuard> {
-    if cfg!(opportunistic_context_locking) {
+    if cfg!(feature = "opportunistic_context_locking") {
         unsafe { lock.try_write_arc() }
     } else {
         Some(unsafe { lock.write_arc() })
@@ -260,7 +260,7 @@ pub fn switch(token: &mut CleanLockToken) -> SwitchResult {
                     continue;
                 };
                 // TODO: can this happen?
-                if !cfg!(opportunistic_context_locking)
+                if !cfg!(feature = "opportunistic_context_locking")
                     && Weak::as_ptr(&context_ref.0)
                         == Arc::as_ptr(&ArcRwLockWriteGuard::rwlock(&prev_context_guard))
                 {