diff --git a/keystore/OperationResult.cpp b/keystore/OperationResult.cpp
index 53c8d62..f4d2cc6 100644
--- a/keystore/OperationResult.cpp
+++ b/keystore/OperationResult.cpp
@@ -55,6 +55,12 @@
     return OK;
 }
 
+OperationResult operationFailed(const ::keystore::KeyStoreServiceReturnCode& error) {
+    OperationResult opResult = {};
+    opResult.resultCode = error;
+    return opResult;
+}
+
 }  // namespace keymaster
 }  // namespace security
 }  // namespace android