diff --git a/GoogleSignIn/Sources/GIDSignIn.m b/GoogleSignIn/Sources/GIDSignIn.m
index de7b6681..f1187ff1 100644
--- a/GoogleSignIn/Sources/GIDSignIn.m
+++ b/GoogleSignIn/Sources/GIDSignIn.m
@@ -829,7 +829,8 @@ - (void)processAuthorizationResponse:(OIDAuthorizationResponse *)authorizationRe
   } else {
     NSString *errorString = [error localizedDescription];
     GIDSignInErrorCode errorCode = kGIDSignInErrorCodeUnknown;
-    if (error.code == OIDErrorCodeUserCanceledAuthorizationFlow) {
+    if (error.code == OIDErrorCodeUserCanceledAuthorizationFlow ||
+        error.code == OIDErrorCodeProgramCanceledAuthorizationFlow) {
       // The user has canceled the flow at the iOS modal dialog.
       errorString = kUserCanceledError;
       errorCode = kGIDSignInErrorCodeCanceled;