diff --git a/package.json b/package.json
index 7f510c4..26a7f6f 100644
--- a/package.json
+++ b/package.json
@@ -31,7 +31,7 @@
     "postsemantic-release": "semantic-release post"
   },
   "peerDependencies": {
-    "materialize-css": "^0.100.1",
+    "materialize-css": "1.0.0-rc.1",
     "@angular/common": "^4.0.0"
   },
   "config": {
@@ -61,7 +61,7 @@
     "gulp-typescript": "3.1.6",
     "hammerjs": "^2.0.8",
     "jquery": "^2.2.4",
-    "materialize-css": "^0.100.1",
+    "materialize-css": "1.0.0-rc.1",
     "rollup": "^0.41.6",
     "run-sequence": "1.2.2",
     "rxjs": "^5.1.0",
diff --git a/src/index.ts b/src/index.ts
index 1230d66..269ace5 100644
--- a/src/index.ts
+++ b/src/index.ts
@@ -1,7 +1,7 @@
 export {MaterializeDirective,MaterializeAction} from "./materialize-directive";
 export {MaterializeModule} from "./materialize-module";
 
-if (!("Materialize" in window)) {
+if (!("M" in window)) {
   throw new Error("Couldn't find Materialize object on window. It is created by the materialize-css library. Please import materialize-css before importing angular2-materialize.");
 }
 if (!("Waves" in window)) {
@@ -11,10 +11,10 @@ if (!("Waves" in window)) {
 declare var Waves:any;
 Waves.displayEffect();
 
-declare var Materialize:any;
+declare var M:any;
 
 export function toast(...args) {
-  Materialize.toast(...args);
+  M.toast(...args);
 }
 
 // polyfill remove any elem in DOM - https://github.com/InfomediaLtd/angular2-materialize/issues/377 (IE)
diff --git a/src/materialize-directive.ts b/src/materialize-directive.ts
index 68365e6..8348116 100644
--- a/src/materialize-directive.ts
+++ b/src/materialize-directive.ts
@@ -12,7 +12,7 @@ import {
 import {CustomEvent} from './custom-event-polyfill';
 
 declare var $: any;
-declare var Materialize: any;
+declare var M: any;
 
 // export type MaterializeOptions =
 // "collapsible" |
@@ -136,8 +136,8 @@ export class MaterializeDirective implements AfterViewInit,DoCheck,OnChanges,OnD
 
     private performElementUpdates() {
         // it should have been created by now, but confirm anyway
-        if (Materialize && Materialize.updateTextFields) {
-            Materialize.updateTextFields();
+        if (M && M.updateTextFields) {
+            M.updateTextFields();
         }
 
         // handle select changes from the HTML
@@ -246,15 +246,15 @@ export class MaterializeDirective implements AfterViewInit,DoCheck,OnChanges,OnD
                     }
                 } else {
                     // fallback to running this function on the global Materialize object
-                    if (Materialize[functionName]) {
+                    if (M[functionName]) {
                         if (params) {
                             if (params instanceof Array) {
-                                Materialize[functionName](...params);
+                                M[functionName](...params);
                             } else {
                                 throw new Error("Params has to be an array.");
                             }
                         } else {
-                            Materialize[functionName]();
+                            M[functionName]();
                         }
                     } else {
                         throw new Error("Couldn't find materialize function ''" + functionName + "' on element or the global Materialize object.");