diff --git a/spring-faces/src/main/java/org/springframework/faces/webflow/JsfUtils.java b/spring-faces/src/main/java/org/springframework/faces/webflow/JsfUtils.java
index c65e4770..0e92ce8d 100644
--- a/spring-faces/src/main/java/org/springframework/faces/webflow/JsfUtils.java
+++ b/spring-faces/src/main/java/org/springframework/faces/webflow/JsfUtils.java
@@ -84,6 +84,6 @@ public class JsfUtils {
 	}
 
 	public static boolean isPortlet(FacesContext context) {
-		return context.getExternalContext().getContext().getClass().getName().contains("Portlet");
+		return context.getExternalContext().getContext().getClass().getName().indexOf("Portlet") != -1;
 	}
 }