diff --git a/package.json b/package.json
index 31e1226..5dc5d0f 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ig-test",
-  "version": "1.4.7",
+  "version": "1.4.8",
   "description": "experimental test runner....",
   "main": "test.js",
   "bin": {
diff --git a/test.js b/test.js
index 5dbac2e..f3385d4 100644
--- a/test.js
+++ b/test.js
@@ -186,7 +186,10 @@ object.Constructor('Assert', {
 
 	// assertion API...
 	__call__: function(_, value, msg, ...args){
-		msg = msg || (value + '')
+		msg = msg || value
+		msg = msg ?
+		   	msg.toString()
+			: msg + ''
 		// stats...
 		var stats = this.stats
 		stats.assertions = (stats.assertions || 0) + 1