diff --git a/setup/installer/osx/app/main.py b/setup/installer/osx/app/main.py
index 96edbc2c8f..7a600287e3 100644
--- a/setup/installer/osx/app/main.py
+++ b/setup/installer/osx/app/main.py
@@ -364,6 +364,7 @@ class Py2App(object):
                 'application. Visit http://calibre-ebook.com for details.'),
                 CFBundleIconFile='library.icns',
                 LSMultipleInstancesProhibited=True,
+                NSHighResolutionCapable=True,
                 LSEnvironment=env
         )
         plistlib.writePlist(pl, join(self.contents_dir, 'Info.plist'))