diff --git a/httpsig.py b/httpsig.py
index cd3819ef8..1b08cfa0c 100644
--- a/httpsig.py
+++ b/httpsig.py
@@ -209,7 +209,9 @@ def createSignedHeader(privateKeyPem: str, nickname: str,
 
     dateStr = strftime("%a, %d %b %Y %H:%M:%S %Z", gmtime())
     if not withDigest:
-        contentType = 'application/activity+json, application/ld+json'
+        contentType = \
+            'application/activity+json, ' + \
+            'application/ld+json, application/jrd+json'
         headers = {
             '(request-target)': f'get {path}',
             'host': headerDomain,
diff --git a/tests.py b/tests.py
index 672b4b12d..d4b379ef1 100644
--- a/tests.py
+++ b/tests.py
@@ -170,7 +170,8 @@ def _testHttpSignedGET():
     user_agent = "http.rb/4.4.1 (Mastodon/3.4.1; +https://octodon.social/)"
     dateStr = 'Wed, 01 Sep 2021 16:11:10 GMT'
     accept_encoding = 'gzip'
-    accept = 'application/activity+json, application/ld+json'
+    accept = \
+        'application/activity+json, application/ld+json, application/jrd+json'
     signature = \
         'keyId="https://octodon.social/actor#main-key",' + \
         'algorithm="rsa-sha256",' + \