diff --git a/controllers/auth/fediverse/fediverse.go b/controllers/auth/fediverse/fediverse.go
index 600bbc371..6f7002bff 100644
--- a/controllers/auth/fediverse/fediverse.go
+++ b/controllers/auth/fediverse/fediverse.go
@@ -79,9 +79,11 @@ func VerifyFediverseOTPRequest(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
-		loginMessage := fmt.Sprintf("**%s** is now authenticated as **%s**", authRegistration.UserDisplayName, u.DisplayName)
-		if err := chat.SendSystemAction(loginMessage, true); err != nil {
-			log.Errorln(err)
+		if authRegistration.UserDisplayName != u.DisplayName {
+			loginMessage := fmt.Sprintf("**%s** is now authenticated as **%s**", authRegistration.UserDisplayName, u.DisplayName)
+			if err := chat.SendSystemAction(loginMessage, true); err != nil {
+				log.Errorln(err)
+			}
 		}
 
 		controllers.WriteSimpleResponse(w, true, "")
diff --git a/controllers/auth/indieauth/client.go b/controllers/auth/indieauth/client.go
index 7b53ac4b8..8e7960c76 100644
--- a/controllers/auth/indieauth/client.go
+++ b/controllers/auth/indieauth/client.go
@@ -76,9 +76,11 @@ func HandleRedirect(w http.ResponseWriter, r *http.Request) {
 			return
 		}
 
-		loginMessage := fmt.Sprintf("**%s** is now authenticated as **%s**", request.DisplayName, u.DisplayName)
-		if err := chat.SendSystemAction(loginMessage, true); err != nil {
-			log.Errorln(err)
+		if request.DisplayName != u.DisplayName {
+			loginMessage := fmt.Sprintf("**%s** is now authenticated as **%s**", request.DisplayName, u.DisplayName)
+			if err := chat.SendSystemAction(loginMessage, true); err != nil {
+				log.Errorln(err)
+			}
 		}
 
 		http.Redirect(w, r, "/", http.StatusTemporaryRedirect)