diff --git a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/RegionServerCallable.java b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/RegionServerCallable.java
index f709c440d617..e5183916ea5e 100644
--- a/hbase-client/src/main/java/org/apache/hadoop/hbase/client/RegionServerCallable.java
+++ b/hbase-client/src/main/java/org/apache/hadoop/hbase/client/RegionServerCallable.java
@@ -194,7 +194,7 @@ public void throwable(Throwable t, boolean retrying) {
 
   @Override
   public String getExceptionMessageAdditionalDetail() {
-    return "row '" + Bytes.toString(row) + "' on table '" + tableName + "' at " + location;
+    return "row '" + Bytes.toStringBinary(row) + "' on table '" + tableName + "' at " + location;
   }
 
   @Override