3 files changed, 12 insertions, 1 deletions
diff --git a/changelog.d/16012.bugfix b/changelog.d/16012.bugfix
new file mode 100644
index 0000000000..44ca9377ff
--- /dev/null
+++ b/changelog.d/16012.bugfix
@@ -0,0 +1 @@
+Fix 404 not found code returned on profile endpoint when the display name is empty but not the avatar URL.
diff --git a/synapse/handlers/profile.py b/synapse/handlers/profile.py
index a7f8c5e636..c7fe101cd9 100644
--- a/synapse/handlers/profile.py
+++ b/synapse/handlers/profile.py
@@ -68,7 +68,7 @@ class ProfileHandler:
 
         if self.hs.is_mine(target_user):
             profileinfo = await self.store.get_profileinfo(target_user)
-            if profileinfo.display_name is None:
+            if profileinfo.display_name is None and profileinfo.avatar_url is None:
                 raise SynapseError(404, "Profile was not found", Codes.NOT_FOUND)
 
             return {
diff --git a/tests/handlers/test_profile.py b/tests/handlers/test_profile.py
index 196ceb0b82..ec2f5d30be 100644
--- a/tests/handlers/test_profile.py
+++ b/tests/handlers/test_profile.py
@@ -179,6 +179,16 @@ class ProfileTestCase(unittest.HomeserverTestCase):
 
         self.assertEqual("http://my.server/me.png", avatar_url)
 
+    def test_get_profile_empty_displayname(self) -> None:
+        self.get_success(self.store.set_profile_displayname(self.frank, None))
+        self.get_success(
+            self.store.set_profile_avatar_url(self.frank, "http://my.server/me.png")
+        )
+
+        profile = self.get_success(self.handler.get_profile(self.frank.to_string()))
+
+        self.assertEqual("http://my.server/me.png", profile["avatar_url"])
+
     def test_set_my_avatar(self) -> None:
         self.get_success(
             self.handler.set_avatar_url(