diff --git a/src/array_string.rs b/src/array_string.rs
index 5aa8d4e..5159dfb 100644
--- a/src/array_string.rs
+++ b/src/array_string.rs
@@ -547,7 +547,7 @@ impl<'de, A> Deserialize<'de> for ArrayString<A>
             type Value = ArrayString<A>;
 
             fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-                write!(formatter, "a string no more than {} bytes long", A::capacity())
+                write!(formatter, "a string no more than {} bytes long", A::CAPACITY)
             }
 
             fn visit_str<E>(self, v: &str) -> Result<Self::Value, E>
diff --git a/src/lib.rs b/src/lib.rs
index 9067a1f..1c176fe 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -1119,7 +1119,7 @@ impl<'de, T: Deserialize<'de>, A: Array<Item=T>> Deserialize<'de> for ArrayVec<A
             type Value = ArrayVec<A>;
 
             fn expecting(&self, formatter: &mut fmt::Formatter) -> fmt::Result {
-                write!(formatter, "an array with no more than {} items", A::capacity())
+                write!(formatter, "an array with no more than {} items", A::CAPACITY)
             }
 
             fn visit_seq<SA>(self, mut seq: SA) -> Result<Self::Value, SA::Error>
@@ -1129,7 +1129,7 @@ impl<'de, T: Deserialize<'de>, A: Array<Item=T>> Deserialize<'de> for ArrayVec<A
 
                 while let Some(value) = try!(seq.next_element()) {
                     if let Err(_) = values.try_push(value) {
-                        return Err(SA::Error::invalid_length(A::capacity() + 1, &self));
+                        return Err(SA::Error::invalid_length(A::CAPACITY + 1, &self));
                     }
                 }