diff --git a/src/static_canvas.class.js b/src/static_canvas.class.js
index eb159d4c..94f05462 100644
--- a/src/static_canvas.class.js
+++ b/src/static_canvas.class.js
@@ -390,11 +390,14 @@
         this[prop] = options[prop];
       }
 
-      this.width = parseInt(this.lowerCanvasEl.width, 10) || 0;
-      this.height = parseInt(this.lowerCanvasEl.height, 10) || 0;
+      this.width = this.width || parseInt(this.lowerCanvasEl.width, 10) || 0;
+      this.height = this.height || parseInt(this.lowerCanvasEl.height, 10) || 0;
 
       if (!this.lowerCanvasEl.style) return;
 
+      this.lowerCanvasEl.width = this.width;
+      this.lowerCanvasEl.height = this.height;
+
       this.lowerCanvasEl.style.width = this.width + 'px';
       this.lowerCanvasEl.style.height = this.height + 'px';
     },