diff --git a/keystore-engine/keystore_backend_binder.cpp b/keystore-engine/keystore_backend_binder.cpp
index f6ae7f5..590f005 100644
--- a/keystore-engine/keystore_backend_binder.cpp
+++ b/keystore-engine/keystore_backend_binder.cpp
@@ -156,7 +156,7 @@
     OperationResult result = future.get();
 
     if (!result.resultCode.isOk()) {
-        LOG(ERROR) << AT << "begin failed: " << int32_t(result.resultCode);
+        LOG(ERROR) << AT << "begin failed: " << result.resultCode;
         return -1;
     }
     auto handle = std::move(result.token);
@@ -180,7 +180,7 @@
         result = future.get();
 
         if (!result.resultCode.isOk()) {
-            LOG(ERROR) << AT << "update failed: " << int32_t(result.resultCode);
+            LOG(ERROR) << AT << "update failed: " << result.resultCode;
             return -1;
         }
 
@@ -199,7 +199,7 @@
             if (!KSReturn(error_code).isOk()) {
                 LOG(ERROR) << AT << "abort failed: " << error_code;
             } else if (!(rc = KSReturn(abortFuture.get().response_code())).isOk()) {
-                LOG(ERROR) << AT << "abort failed: " << int32_t(rc);
+                LOG(ERROR) << AT << "abort failed: " << rc;
             }
             return -1;
         }
@@ -228,7 +228,7 @@
     result = future.get();
 
     if (!result.resultCode.isOk()) {
-        LOG(ERROR) << AT << "finish failed: " << int32_t(result.resultCode);
+        LOG(ERROR) << AT << "finish failed: " << result.resultCode;
         return -1;
     }
 
@@ -272,7 +272,7 @@
 
     auto export_result = future.get();
     if (!export_result.resultCode.isOk()) {
-        LOG(ERROR) << AT << "exportKey failed: " << int32_t(export_result.resultCode);
+        LOG(ERROR) << AT << "exportKey failed: " << export_result.resultCode;
         return -1;
     }