diff --git a/ast.go b/ast.go
index 85a6982..46d338f 100644
--- a/ast.go
+++ b/ast.go
@@ -115,6 +115,7 @@ func executeCmd(cmd *Command) error {
 					}
 				}
 			}
+			delete(Vars, *RptLoop.IndexVar)
 		}
 	}
 	return nil