diff --git a/src/One2many.ts b/src/One2many.ts
index c6feddc..ef318b8 100644
--- a/src/One2many.ts
+++ b/src/One2many.ts
@@ -76,6 +76,18 @@ class One2many extends Field {
     this._mustExpand = value;
   }
 
+  /**
+   * Height
+   */
+  _height?: number;
+  get height(): number | undefined {
+    return this._height;
+  }
+
+  set height(value: number) {
+    this._height = value;
+  }
+
   constructor(props: any) {
     super(props);
 
@@ -105,6 +117,14 @@ class One2many extends Field {
       if (props.inv_field) {
         this._inv_field = props.inv_field;
       }
+
+      if (props.height) {
+        try {
+          this._height = parseInt(props.height);
+        } catch (e) {
+          this._height = undefined;
+        }
+      }
     }
   }
 }
diff --git a/src/spec/Form.spec.ts b/src/spec/Form.spec.ts
index 3838b2d..0a76ede 100644
--- a/src/spec/Form.spec.ts
+++ b/src/spec/Form.spec.ts
@@ -9,6 +9,7 @@ import Reference from "../Reference";
 import Button from "../Button";
 import ButtonGroup from "../ButtonGroup";
 import { it, expect, describe } from "vitest";
+import One2many from "../One2many";
 
 const XML_VIEW_FORM = `<?xml version="1.0"?>
 <form string="Partner Address">
@@ -3306,4 +3307,20 @@ describe("A Form", () => {
     const groupWidget = form.findById("group") as Group;
     expect(groupWidget.invisible).toBeTruthy();
   });
+  it("Should be able to parse a o2m with height ", () => {
+    const arch = `<form>
+    <group name="group" colspan="4" col="4" attrs="{'invisible':[('formulari','!=','b1')]}">
+      <field name="o2m" height="50" />
+    </group>
+    </form>`;
+    const form = new Form({
+      formulari: {
+        type: "selection",
+      },
+      o2m: { type: "one2many" },
+    });
+    form.parse(arch);
+    const o2mField = form.findById("o2m") as One2many;
+    expect(o2mField.height).toBe(50);
+  });
 });