diff --git a/src/helma/framework/ResponseBean.java b/src/helma/framework/ResponseBean.java
index de7b7eac..6df9d5f6 100644
--- a/src/helma/framework/ResponseBean.java
+++ b/src/helma/framework/ResponseBean.java
@@ -372,7 +372,7 @@ public class ResponseBean implements Serializable {
      *
      * @param what ...
      */
-    public void dependsOn(Object what) {
+    public void dependsOn(String what) {
         res.dependsOn(what);
     }