diff --git a/builders.js b/builders.js
index a980739..f32b1c2 100755
--- a/builders.js
+++ b/builders.js
@@ -2616,7 +2616,7 @@ SchemaBuilderEntityProto.exec = function(type, name, model, options, controller,
 	var self = this;
 
 	var additional = caller ? caller.options : null;
-	var symbol = caller ? caller.meta.symbol : null;
+	var symbol = caller && caller.meta ? caller.meta.symbol : null;
 
 	self.resourceName && error.setResource(self.resourceName);
 	self.resourcePrefix && error.setPrefix(self.resourcePrefix);
diff --git a/changelog.txt b/changelog.txt
index c2b381d..8bfe1a2 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -2,6 +2,8 @@
 0.0.83
 ========================
 
+- fixed a backward compatibility with the older schema executors
+
 ========================
 0.0.82
 ========================