diff --git a/platformio/package/manifest/parser.py b/platformio/package/manifest/parser.py
index d49d7b9c..66dee43c 100644
--- a/platformio/package/manifest/parser.py
+++ b/platformio/package/manifest/parser.py
@@ -185,6 +185,8 @@ class BaseManifestParser(object):
         assert isinstance(author, dict)
         if author.get("email"):
             author["email"] = re.sub(r"\s+[aA][tT]\s+", "@", author["email"])
+            if "@" not in author["email"]:
+                author["email"] = None
         for key in list(author.keys()):
             if author[key] is None:
                 del author[key]
diff --git a/tests/package/test_manifest.py b/tests/package/test_manifest.py
index 53a31e9b..fe5054d0 100644
--- a/tests/package/test_manifest.py
+++ b/tests/package/test_manifest.py
@@ -279,7 +279,7 @@ ignore_empty_field=
     # Author + Maintainer
     data = parser.LibraryPropertiesManifestParser(
         """
-author=Rocket Scream Electronics
+author=Rocket Scream Electronics <broken-email.com>
 maintainer=Rocket Scream Electronics
 """
     ).as_dict()