diff --git a/spring-statemachine-samples/web/src/main/resources/static/lib/angular-animate/angular-animate.js b/spring-statemachine-samples/web/src/main/resources/static/lib/angular-animate/angular-animate.js
index 9246f10e7..deb3c235f 100644
--- a/spring-statemachine-samples/web/src/main/resources/static/lib/angular-animate/angular-animate.js
+++ b/spring-statemachine-samples/web/src/main/resources/static/lib/angular-animate/angular-animate.js
@@ -108,7 +108,7 @@ function extractElementNode(element) {
   if (!element[0]) return element;
   for (var i = 0; i < element.length; i++) {
     var elm = element[i];
-    if (elm.nodeType == ELEMENT_NODE) {
+    if (elm.nodeType === ELEMENT_NODE) {
       return elm;
     }
   }