diff --git a/util/src/main/java/io/kubernetes/client/ProtoClient.java b/util/src/main/java/io/kubernetes/client/ProtoClient.java
index af70373c87..2c59e87b2a 100644
--- a/util/src/main/java/io/kubernetes/client/ProtoClient.java
+++ b/util/src/main/java/io/kubernetes/client/ProtoClient.java
@@ -270,7 +270,7 @@ public <T extends Message> ObjectOrStatus<T> request(
                   .build();
           break;
         default:
-          throw new ApiException("Unknown proto client API method: " + method);
+          throw new ApiException("Unknown proto client API method:: " + method);
       }
     }
     return getObjectOrStatusFromServer(builder, request);
@@ -322,7 +322,7 @@ private Unknown parse(InputStream stream) throws ApiException, IOException {
     byte[] magic = new byte[4];
     Streams.readFully(stream, magic);
     if (!Arrays.equals(magic, MAGIC)) {
-      throw new ApiException("Unexpected magic number: " + Hex.encodeHexString(magic));
+      throw new ApiException("Unexpected magic number::: " + Hex.encodeHexString(magic));
     }
     return Unknown.parseFrom(stream);
   }