diff --git a/AmplifyPlugins/Predictions/AWSPredictionsPlugin/Liveness/Service/FaceLivenessSession.swift b/AmplifyPlugins/Predictions/AWSPredictionsPlugin/Liveness/Service/FaceLivenessSession.swift
index ba88e7d7ce..e79ac33e1a 100644
--- a/AmplifyPlugins/Predictions/AWSPredictionsPlugin/Liveness/Service/FaceLivenessSession.swift
+++ b/AmplifyPlugins/Predictions/AWSPredictionsPlugin/Liveness/Service/FaceLivenessSession.swift
@@ -183,6 +183,7 @@ public final class FaceLivenessSession: LivenessService {
                     return fallbackDecoding(message)
                 }
             } catch {
+                onComplete(.runtimeError)
                 return false
             }
         case .success:
diff --git a/AmplifyPlugins/Predictions/AWSPredictionsPlugin/Liveness/Service/ServerDisconnection.swift b/AmplifyPlugins/Predictions/AWSPredictionsPlugin/Liveness/Service/ServerDisconnection.swift
index f85b01024b..8b1dab8cd5 100644
--- a/AmplifyPlugins/Predictions/AWSPredictionsPlugin/Liveness/Service/ServerDisconnection.swift
+++ b/AmplifyPlugins/Predictions/AWSPredictionsPlugin/Liveness/Service/ServerDisconnection.swift
@@ -11,4 +11,5 @@ import Foundation
 public enum ServerDisconnection {
     case disconnectionEvent
     case unexpectedClosure(URLSessionWebSocketTask.CloseCode)
+    case runtimeError
 }