diff --git a/src/Uno.UITest.Helpers/AppInitializer.cs b/src/Uno.UITest.Helpers/AppInitializer.cs
index 31b93c3..0f51969 100644
--- a/src/Uno.UITest.Helpers/AppInitializer.cs
+++ b/src/Uno.UITest.Helpers/AppInitializer.cs
@@ -211,6 +211,7 @@ private static IApp CreateBrowserApp(bool alreadyRunningApp)
 
 				_currentApp = configurator
 					.ScreenShotsPath(TestContext.CurrentContext.TestDirectory)
+					.WindowSize(TestEnvironment.WebAssemblyBrowserSize.Width, TestEnvironment.WebAssemblyBrowserSize.Height)
 					.StartApp();
 
 				return _currentApp;
diff --git a/src/Uno.UITest.Helpers/AppInitializerEnvironment.cs b/src/Uno.UITest.Helpers/AppInitializerEnvironment.cs
index 93885bd..1b3cf16 100644
--- a/src/Uno.UITest.Helpers/AppInitializerEnvironment.cs
+++ b/src/Uno.UITest.Helpers/AppInitializerEnvironment.cs
@@ -1,4 +1,5 @@
-using Uno.UITest.Helpers.Queries;
+using System.Drawing;
+using Uno.UITest.Helpers.Queries;
 
 namespace Uno.UITests.Helpers
 {
@@ -66,5 +67,10 @@ internal AppInitializerEnvironment()
 		/// Note that all browser does not supports all options defined here. For instance Edge does support only the <see cref="SeleniumDriverPath"/>.
 		/// </remarks>
 		public Browser WebAssemblyBrowser { get; set; } = Browser.Chrome;
+
+		/// <summary>
+		/// Defines the browser size for the Web platform
+		/// </summary>
+		public Size WebAssemblyBrowserSize { get; set; } = new Size(1024, 768);
 	}
 }