diff --git a/addons/web/static/src/core/registry.js b/addons/web/static/src/core/registry.js
index 646ccf4a179..b71438cdf63 100644
--- a/addons/web/static/src/core/registry.js
+++ b/addons/web/static/src/core/registry.js
@@ -98,7 +98,7 @@ export class Registry extends EventBus {
             const content = Object.values(this.content).sort((el1, el2) => el1[0] - el2[0]);
             this.elements = content.map((elem) => elem[1]);
         }
-        return this.elements;
+        return this.elements.slice();
     }
 
     /**
@@ -111,7 +111,7 @@ export class Registry extends EventBus {
             const entries = Object.entries(this.content).sort((el1, el2) => el1[1][0] - el2[1][0]);
             this.entries = entries.map(([str, elem]) => [str, elem[1]]);
         }
-        return this.entries;
+        return this.entries.slice();
     }
 
     /**
diff --git a/addons/web/static/tests/core/registry_test.js b/addons/web/static/tests/core/registry_test.js
index 5b2e60ca02d..d5816af1152 100644
--- a/addons/web/static/tests/core/registry_test.js
+++ b/addons/web/static/tests/core/registry_test.js
@@ -100,6 +100,29 @@ QUnit.test("can get ordered list of entries", function (assert) {
     ]);
 });
 
+QUnit.test("getAll and getEntries returns shallow copies", function (assert) {
+    const registry = new Registry();
+
+    registry.add("foo1", "foo1");
+
+    const all = registry.getAll();
+    const entries = registry.getEntries();
+
+    assert.deepEqual(all, ["foo1"]);
+    assert.deepEqual(entries, [["foo1", "foo1"]]);
+
+    all.push("foo2");
+    entries.push(["foo2", "foo2"]);
+
+    assert.deepEqual(all, ["foo1", "foo2"]);
+    assert.deepEqual(entries, [
+        ["foo1", "foo1"],
+        ["foo2", "foo2"],
+    ]);
+    assert.deepEqual(registry.getAll(), ["foo1"]);
+    assert.deepEqual(registry.getEntries(), [["foo1", "foo1"]]);
+});
+
 QUnit.test("can override element with sequence", function (assert) {
     const registry = new Registry();