diff --git a/src/Wrapper.js b/src/Wrapper.js
index 4d36c0a..a666fe4 100644
--- a/src/Wrapper.js
+++ b/src/Wrapper.js
@@ -13,6 +13,11 @@ class Wrapper extends React.Component {
   };
 
   componentDidMount() {
+    if (!this.props.height ||
+        !this.props.width) {
+      this.getDimensions();
+    }
+
     if (this.props.responsive) {
       window.addEventListener('resize', this.getDimensions, false);
     }