diff --git a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitorJson.java b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitorJson.java
index 8ba2aff..f502d14 100644
--- a/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitorJson.java
+++ b/hyracks-fullstack/algebricks/algebricks-core/src/main/java/org/apache/hyracks/algebricks/core/algebra/prettyprint/LogicalOperatorPrettyPrintVisitorJson.java
@@ -633,6 +633,7 @@
     @Override
     public Void visitForwardOperator(ForwardOperator op, Integer indent) throws AlgebricksException {
         addIndent(indent).append("\"operator\": \"forward\"");
+        addIndent(0).append(",\n");
         addIndent(indent).append("\"expressions\": \""
                 + op.getRangeMapExpression().getValue().accept(exprVisitor, indent).replace('"', ' ') + "\"");
         return null;