diff --git a/materialize-css/materialize-css-tests.ts b/materialize-css/materialize-css-tests.ts
index 9c9027a972..d9ae8170da 100644
--- a/materialize-css/materialize-css-tests.ts
+++ b/materialize-css/materialize-css-tests.ts
@@ -122,7 +122,7 @@ var sliderHtml = '<div class="slider">' +
 
 $('.carousel').carousel();
 $('.carousel').carousel({});
-$('.carousel').carousel({ time_constant: 200, dist: -100, shift: 500, padding: 6000, full_width: 6000 });
+$('.carousel').carousel({ time_constant: 200, dist: -100, shift: 500, padding: 6000, full_width: true });
 
 // Next slide
 $('.carousel').carousel('next');
@@ -239,4 +239,4 @@ var tabsHtml = '<div class="row">' +
 // Transitions
 Materialize.showStaggeredList('#staggered-test');
 
-Materialize.updateTextFields();
\ No newline at end of file
+Materialize.updateTextFields();
diff --git a/materialize-css/materialize-css.d.ts b/materialize-css/materialize-css.d.ts
index 456abea871..2968176ff0 100644
--- a/materialize-css/materialize-css.d.ts
+++ b/materialize-css/materialize-css.d.ts
@@ -132,10 +132,10 @@ declare namespace Materialize {
         padding?: number;
 
         /**
-         * Set the duration between transitions in ms.
-         * Default: 6000
+         * Set the width of the carousel.
+         * Default: false
          */
-        full_width?: number;
+        full_width?: boolean;
     }
 
     /**