diff --git a/src/edwards.rs b/src/edwards.rs
index c60069c..d8f83a5 100644
--- a/src/edwards.rs
+++ b/src/edwards.rs
@@ -192,9 +192,7 @@ impl CompressedEdwardsY {
 
         // Flip the sign of X if it's not correct
         let compressed_sign_bit = Choice::from(self.as_bytes()[31] >> 7);
-        let    current_sign_bit = X.is_negative();
-
-        X.conditional_negate(current_sign_bit ^ compressed_sign_bit);
+        X.conditional_negate(compressed_sign_bit);
 
         Some(EdwardsPoint{ X: X, Y: Y, Z: Z, T: &X * &Y })
     }