diff --git a/uebung4/smiley.html b/uebung4/smiley.html
index 5b1e525..3ff1bbe 100644
--- a/uebung4/smiley.html
+++ b/uebung4/smiley.html
@@ -14,11 +14,12 @@
       <p id="ausgabe"></p>
     <script>
         let sliderval = 0;
-        let canvas = document.getElementById("smileycanvas");
-        let smiley = canvas.getContext('2d');
-
+        
         function changesmiley() {
                 sliderval = parseInt(document.getElementById("slider").value);
+                let canvas = document.getElementById("smileycanvas");
+                let smiley = canvas.getContext('2d');
+
                 smiley.arc(200, 200, 190, 0, 2 * Math.PI);
                 smiley.fillStyle="yellow";
                 smiley.fill();
@@ -29,6 +30,7 @@
                 smiley.arc(100, 130, 25 + (0.1*sliderval), 0, 2*Math.PI);
                 smiley.fillStyle="black";
                 smiley.fill();
+
                 smiley.beginPath();
                 smiley.arc(270, 130, 25 + (0.1*sliderval), 0, 2*Math.PI);
                 smiley.fillStyle = "black";