diff --git a/api/views/index.ejs b/api/views/index.ejs
index a8b72944..c58d7032 100644
--- a/api/views/index.ejs
+++ b/api/views/index.ejs
@@ -214,7 +214,7 @@
     function take_picture() {
         console.log("take picture");
         var image = new Image();
-        image.src = document.getElementById("result-video").toDataURL;
+        image.src = document.getElementById("result-video").toDataURL();
         document.getElementById("lastimg").innerHTML = "";
         document.getElementById("lastimg").appendChild(image);
     }