diff --git a/sonic_package_manager/manifest.py b/sonic_package_manager/manifest.py
index 865db7ef..f18b9a7f 100644
--- a/sonic_package_manager/manifest.py
+++ b/sonic_package_manager/manifest.py
@@ -88,7 +88,7 @@ def marshal(self, value):
                         raise ManifestError(f'{value} has items not of type {self.type.__name__}')
                 return value
             elif isinstance(value, self.type):
-                return [value]
+                return [] if not value else [value]
             else:
                 raise ManifestError(f'{value} is not of type {self.type.__name__}')