diff --git a/controllers/admin/chat.go b/controllers/admin/chat.go
index 4ce73d618..86d7c8ace 100644
--- a/controllers/admin/chat.go
+++ b/controllers/admin/chat.go
@@ -97,6 +97,7 @@ func GetIPAddressBans(w http.ResponseWriter, r *http.Request) {
 	bans, err := data.GetIPAddressBans()
 	if err != nil {
 		controllers.WriteSimpleResponse(w, false, err.Error())
+		return
 	}
 
 	controllers.WriteResponse(w, bans)
diff --git a/controllers/admin/config.go b/controllers/admin/config.go
index 58bd084cd..082f052da 100644
--- a/controllers/admin/config.go
+++ b/controllers/admin/config.go
@@ -626,6 +626,7 @@ func SetExternalActions(w http.ResponseWriter, r *http.Request) {
 
 	if err := data.SetExternalActions(actions.Value); err != nil {
 		controllers.WriteSimpleResponse(w, false, "unable to update external actions with provided values")
+		return
 	}
 
 	controllers.WriteSimpleResponse(w, true, "external actions update")
@@ -662,6 +663,7 @@ func SetForbiddenUsernameList(w http.ResponseWriter, r *http.Request) {
 
 	if err := data.SetForbiddenUsernameList(request.Value); err != nil {
 		controllers.WriteSimpleResponse(w, false, err.Error())
+		return
 	}
 
 	controllers.WriteSimpleResponse(w, true, "forbidden username list updated")
@@ -683,6 +685,7 @@ func SetSuggestedUsernameList(w http.ResponseWriter, r *http.Request) {
 
 	if err := data.SetSuggestedUsernamesList(request.Value); err != nil {
 		controllers.WriteSimpleResponse(w, false, err.Error())
+		return
 	}
 
 	controllers.WriteSimpleResponse(w, true, "suggested username list updated")
diff --git a/controllers/admin/federation.go b/controllers/admin/federation.go
index 55032df3c..46844c6e6 100644
--- a/controllers/admin/federation.go
+++ b/controllers/admin/federation.go
@@ -24,6 +24,7 @@ func SendFederatedMessage(w http.ResponseWriter, r *http.Request) {
 	message, ok := configValue.Value.(string)
 	if !ok {
 		controllers.WriteSimpleResponse(w, false, "unable to send message")
+		return
 	}
 
 	if err := activitypub.SendPublicFederatedMessage(message); err != nil {