diff --git a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/servlet/QueryServiceServlet.java b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/servlet/QueryServiceServlet.java
index 427e177..0f88f48 100644
--- a/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/servlet/QueryServiceServlet.java
+++ b/asterixdb/asterix-app/src/main/java/org/apache/asterix/api/http/servlet/QueryServiceServlet.java
@@ -54,6 +54,7 @@
 import org.apache.asterix.translator.IStatementExecutorFactory;
 import org.apache.asterix.translator.SessionConfig;
 import org.apache.commons.io.IOUtils;
+import org.apache.hyracks.algebricks.common.exceptions.AlgebricksException;
 import org.apache.hyracks.algebricks.core.algebra.prettyprint.AlgebricksAppendable;
 import org.apache.hyracks.api.client.IHyracksClientConnection;
 import org.apache.hyracks.api.dataset.IHyracksDataset;
@@ -284,11 +285,19 @@
     }
 
     private static SessionConfig createSessionConfig(RequestParameters param, PrintWriter resultWriter) {
-        SessionConfig.ResultDecorator resultPrefix = (AlgebricksAppendable app) -> {
-            app.append("\t\"");
-            app.append(ResultFields.RESULTS.str());
-            app.append("\": ");
-            return app;
+        SessionConfig.ResultDecorator resultPrefix = new SessionConfig.ResultDecorator() {
+            int resultNo = -1;
+            @Override
+            public AlgebricksAppendable append(AlgebricksAppendable app) throws AlgebricksException {
+                app.append("\t\"");
+                app.append(ResultFields.RESULTS.str());
+                if (resultNo >= 0) {
+                    app.append('-').append(String.valueOf(resultNo));
+                }
+                ++resultNo;
+                app.append("\": ");
+                return app;
+            }
         };
 
         SessionConfig.ResultDecorator resultPostfix = (AlgebricksAppendable app) -> {