diff --git a/src/curve.rs b/src/curve.rs
index b659980..b9c3848 100644
--- a/src/curve.rs
+++ b/src/curve.rs
@@ -87,7 +87,7 @@ use field::FieldElement;
 use scalar::Scalar;
 use util::bytes_equal_ct;
 use util::CTAssignable;
-use util::CTNegateable;
+use util::CTNegatable;
 
 // ------------------------------------------------------------------------
 // Compressed points
diff --git a/src/field.rs b/src/field.rs
index e0e4767..aa632b1 100644
--- a/src/field.rs
+++ b/src/field.rs
@@ -803,7 +803,7 @@ impl FieldElement {
 mod test {
     use field::*;
     use test::Bencher;
-    use util::CTNegateable;
+    use util::CTNegatable;
 
     #[bench]
     fn bench_fieldelement_a_mul_a(b: &mut Bencher) {
diff --git a/src/util.rs b/src/util.rs
index 2d08f79..b0ab17d 100644
--- a/src/util.rs
+++ b/src/util.rs
@@ -25,13 +25,13 @@ pub trait CTAssignable {
 ///
 /// Note: it is not necessary to implement this trait, as a generic
 /// implementation is provided.
-pub trait CTNegateable
+pub trait CTNegatable
 {
     /// Conditionally negate an element if `choice == 1u8`.
     fn conditional_negate(&mut self, choice: u8);
 }
 
-impl<T> CTNegateable for T
+impl<T> CTNegatable for T
     where T: CTAssignable, for<'a> &'a T: Neg<Output=T>
 {
     fn conditional_negate(&mut self, choice: u8) {