diff --git a/sat_frontends/jp/cmd_blog.py b/sat_frontends/jp/cmd_blog.py
index 2fe8ad42..f739d8b3 100644
--- a/sat_frontends/jp/cmd_blog.py
+++ b/sat_frontends/jp/cmd_blog.py
@@ -177,7 +177,13 @@ class BlogPublishCommon(object):
             "-e",
             "--encrypt",
             action="store_true",
-            help=_("end-to-end encrypt the blog item")
+            help=_("end-to-end encrypt the blog post")
+        )
+        self.parser.add_argument(
+            "-X",
+            "--sign",
+            action="store_true",
+            help=_("cryptographically sign the blog post")
         )
 
     async def setMbDataContent(self, content, mb_data):
@@ -206,6 +212,8 @@ class BlogPublishCommon(object):
             mb_data["language"] = self.args.language
         if self.args.encrypt:
             mb_data["encrypted"] = True
+        if self.args.sign:
+            mb_data["signed"] = True
 
 
 class Set(base.CommandBase, BlogPublishCommon):