diff --git a/src/parser.rs b/src/parser.rs
index 4df969b6bd..87c15ab74c 100644
--- a/src/parser.rs
+++ b/src/parser.rs
@@ -196,7 +196,7 @@ fn try_usize_to_i32(value: usize) -> Result<i32, XmlParseError> {
   }
 }
 
-#[derive(PartialEq)]
+#[derive(PartialEq, Eq)]
 /// Enum for the parse formats supported by libxml2
 pub enum ParseFormat {
   /// Strict parsing for XML
diff --git a/src/tree/nodetype.rs b/src/tree/nodetype.rs
index febf941998..9ea29a5146 100644
--- a/src/tree/nodetype.rs
+++ b/src/tree/nodetype.rs
@@ -2,7 +2,7 @@
 //!
 
 /// Types of xml nodes
-#[derive(Debug, PartialEq)]
+#[derive(Debug, PartialEq, Eq)]
 #[allow(missing_docs)]
 pub enum NodeType {
   ElementNode,