diff --git a/native/Avalonia.Native/src/OSX/menu.mm b/native/Avalonia.Native/src/OSX/menu.mm
index 1235979cb2..1adbe093bb 100644
--- a/native/Avalonia.Native/src/OSX/menu.mm
+++ b/native/Avalonia.Native/src/OSX/menu.mm
@@ -262,10 +262,10 @@ HRESULT AvnAppMenuItem::SetIcon(void *data, size_t length)
             NSSize originalSize = [image size];
              
             NSSize size;
-            size.height = [[NSFont menuFontOfSize:0] pointSize] * 1.333333;
+            size.height = floor([[NSFont menuFontOfSize:0] pointSize] * 1.333333);
             
             auto scaleFactor = size.height / originalSize.height;
-            size.width = originalSize.width * scaleFactor;
+            size.width = floor(originalSize.width * scaleFactor);
             
             [image setSize: size];
             [_native setImage:image];
diff --git a/native/Avalonia.Native/src/OSX/trayicon.mm b/native/Avalonia.Native/src/OSX/trayicon.mm
index 917ff87694..3ac42b4f25 100644
--- a/native/Avalonia.Native/src/OSX/trayicon.mm
+++ b/native/Avalonia.Native/src/OSX/trayicon.mm
@@ -39,10 +39,10 @@ HRESULT AvnTrayIcon::SetIcon (void* data, size_t length)
             NSSize originalSize = [image size];
              
             NSSize size;
-            size.height = [[NSFont menuFontOfSize:0] pointSize] * 1.333333;
-            
+            size.height = floor([[NSFont menuFontOfSize:0] pointSize] * 1.333333);
+
             auto scaleFactor = size.height / originalSize.height;
-            size.width = originalSize.width * scaleFactor;
+            size.width = floor(originalSize.width * scaleFactor);
             
             [image setSize: size];
             [image setTemplate: _isTemplateIcon];