diff --git a/Cargo.toml b/Cargo.toml
index 1dc052b..42b8af4 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -5,6 +5,7 @@ authors = ["Glyn Normington <glyn.normington@gmail.com>"]
 edition = "2018"
 
 [dependencies]
+by_address = "1.0.4"
 itertools = "0.9.0"
 json = "0.12.4"
 pest = "2.1.3"
diff --git a/jsonpath-compliance-test-suite b/jsonpath-compliance-test-suite
index 2e62f6f..374eae0 160000
--- a/jsonpath-compliance-test-suite
+++ b/jsonpath-compliance-test-suite
@@ -1 +1 @@
-Subproject commit 2e62f6fb06cdb36dd982a9f39fa3810f385f1ce4
+Subproject commit 374eae0b428a024c7f869da164981b23c57e8f06
diff --git a/src/ast.rs b/src/ast.rs
index c2fd948..beae5f6 100644
--- a/src/ast.rs
+++ b/src/ast.rs
@@ -4,8 +4,10 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+use by_address::ByAddress;
 use serde_json::Value;
 use slyce::Slice;
+use std::collections::HashSet;
 use std::iter;
 
 /// A path is a tree of selector nodes.
@@ -77,7 +79,9 @@ impl Path {
 impl Selector {
     pub fn find<'a>(&'a self, input: &'a Value) -> Iter<'a> {
         match self {
-            Selector::Union(indices) => Box::new(indices.iter().flat_map(move |i| i.get(input))),
+            Selector::Union(indices) => {
+                unique_nodes(Box::new(indices.iter().flat_map(move |i| i.get(input))))
+            }
             Selector::DotName(name) => Box::new(input.get(name).into_iter()),
             Selector::DotWildcard => match input {
                 Value::Object(m) => Box::new(m.values()),
@@ -88,6 +92,18 @@ impl Selector {
     }
 }
 
+fn unique_nodes(i: Iter) -> Iter {
+    let mut seen: HashSet<ByAddress<&Value>> = HashSet::new();
+    let mut result = vec![];
+    for j in i {
+        if !&seen.contains(&ByAddress(j)) {
+            seen.insert(ByAddress(j));
+            result.push(j)
+        }
+    }
+    Box::new(result.into_iter())
+}
+
 impl UnionElement {
     pub fn get<'a>(&self, v: &'a Value) -> Iter<'a> {
         match self {