diff --git a/app/lib/alloy/sync/book_rest.js b/app/lib/alloy/sync/book_rest.js
index e20982f..a305814 100644
--- a/app/lib/alloy/sync/book_rest.js
+++ b/app/lib/alloy/sync/book_rest.js
@@ -8,7 +8,11 @@ module.exports.sync = function(method, model, options) {
 
 	var payload = model.toJSON();
 	var error;
-
+	
+	if(typeof(model.config.adapter.base_url) != 'undefined'){
+		BASE_URL = model.config.adapter.base_url; 
+		// this enables other models using the same adapter to work, otherwise the BASE_URL variable persists
+	}
 	switch(method) {
 
 		// This case is called by the Model.fetch and Collection.fetch methods to retrieve data.
@@ -115,4 +119,4 @@ module.exports.beforeModelCreate = function(config, name) {
 // Perform some actions after creating the Model class 
 module.exports.afterModelCreate = function(Model, name) {
 	// Nothing to do
-};
\ No newline at end of file
+};