diff --git a/fixture.js b/fixture.js
index e7b2733..c576296 100644
--- a/fixture.js
+++ b/fixture.js
@@ -4,6 +4,7 @@ var fixture = core.add;
 var Store = require("./store");
 require("./xhr");
 var canReflect = require("can-reflect");
+var canDev = require("can-log/dev/dev");
 var ns = require("can-namespace");
 // HELPERS START
 
@@ -67,7 +68,14 @@ canReflect.assignMap(fixture, {
 });
 
 if(typeof window !== "undefined" && typeof require.resolve !== "function") {
-	window.fixture = fixture;
+	// window.fixture = fixture;
+
+	window.fixture = function(){
+		debugger
+		canDev.warn("You using the global fixture. Make sure you import can-fixture.");
+
+		return fixture.apply(this, arguments);
+	};	
 }
 
 
diff --git a/test/fixture_test.js b/test/fixture_test.js
index 0b604ca..d53e983 100644
--- a/test/fixture_test.js
+++ b/test/fixture_test.js
@@ -1980,3 +1980,20 @@ if ("onabort" in XMLHttpRequest._XHR.prototype) {
 		stop();
 	});
 } // END onabort check
+
+
+
+testHelpers.dev.devOnlyTest("window.fixture warns when called", function() {
+	debugger
+	var teardown = testHelpers.dev.willWarn(/You using the global fixture\. Make sure you import can-fixture\./, function(message, matched) {
+			if(matched) {
+				ok(true, "received warning");
+			}
+	});
+
+	window.fixture("GET /api/products", function(){
+		return {};
+	});
+
+	teardown();	
+});