diff --git a/iOS/Intents/AddFeedIntentHandler.swift b/iOS/Intents/AddFeedIntentHandler.swift
index d648b6eb1..36bacf429 100644
--- a/iOS/Intents/AddFeedIntentHandler.swift
+++ b/iOS/Intents/AddFeedIntentHandler.swift
@@ -57,8 +57,15 @@ public class AddFeedIntentHandler: NSObject, AddFeedIntentHandling {
 				switch result {
 				case .success:
 					completion(AddFeedIntentResponse(code: .success, userActivity: nil))
-				case .failure:
-					completion(AddFeedIntentResponse(code: .failure, userActivity: nil))
+				case .failure(let error):
+					switch error {
+					case AccountError.createErrorNotFound:
+						completion(AddFeedIntentResponse(code: .feedNotFound, userActivity: nil))
+					case AccountError.createErrorAlreadySubscribed:
+						completion(AddFeedIntentResponse(code: .alreadySubscribed, userActivity: nil))
+					default:
+						completion(AddFeedIntentResponse(code: .failure, userActivity: nil))
+					}
 				}
 			}
 		}
diff --git a/iOS/Intents/Intents.intentdefinition b/iOS/Intents/Intents.intentdefinition
index 7a1bc85af..a3ce6dc74 100644
--- a/iOS/Intents/Intents.intentdefinition
+++ b/iOS/Intents/Intents.intentdefinition
@@ -183,6 +183,30 @@
 						<key>INIntentResponseCodeName</key>
 						<string>failure</string>
 					</dict>
+					<dict>
+						<key>INIntentResponseCodeConciseFormatString</key>
+						<string>You are already subscribed to this feed in this account.</string>
+						<key>INIntentResponseCodeConciseFormatStringID</key>
+						<string>srME8b</string>
+						<key>INIntentResponseCodeFormatString</key>
+						<string>You are already subscribed to this feed in this account.</string>
+						<key>INIntentResponseCodeFormatStringID</key>
+						<string>UGGPkp</string>
+						<key>INIntentResponseCodeName</key>
+						<string>alreadySubscribed</string>
+					</dict>
+					<dict>
+						<key>INIntentResponseCodeConciseFormatString</key>
+						<string>No feed was found at the specified URL.</string>
+						<key>INIntentResponseCodeConciseFormatStringID</key>
+						<string>8Dh9Yy</string>
+						<key>INIntentResponseCodeFormatString</key>
+						<string>No feed was found at the specified URL.</string>
+						<key>INIntentResponseCodeFormatStringID</key>
+						<string>drQfaI</string>
+						<key>INIntentResponseCodeName</key>
+						<string>feedNotFound</string>
+					</dict>
 				</array>
 			</dict>
 			<key>INIntentTitle</key>