diff --git a/src/java/com/threerings/presents/tools/InvocationTask.java b/src/java/com/threerings/presents/tools/InvocationTask.java
index 5065e296c..3bac795ab 100644
--- a/src/java/com/threerings/presents/tools/InvocationTask.java
+++ b/src/java/com/threerings/presents/tools/InvocationTask.java
@@ -235,11 +235,12 @@ public abstract class InvocationTask extends Task
                 if (buf.length() > 0) {
                     buf.append(", ");
                 }
+                String index = String.valueOf(skipFirst ? ii : (ii+1));
                 String arg;
                 if (_ilistener.isAssignableFrom(args[ii])) {
-                    arg = GenUtil.boxASArgument(args[ii],  "listener" + (ii+1));
+                    arg = GenUtil.boxASArgument(args[ii],  "listener" + index);
                 } else {
-                    arg = GenUtil.boxASArgument(args[ii],  "arg" + (ii+1));
+                    arg = GenUtil.boxASArgument(args[ii],  "arg" + index);
                 }
                 buf.append(arg);
             }
diff --git a/src/java/com/threerings/presents/tools/marshaller_as.tmpl b/src/java/com/threerings/presents/tools/marshaller_as.tmpl
index 4f5603def..94d7599e5 100644
--- a/src/java/com/threerings/presents/tools/marshaller_as.tmpl
+++ b/src/java/com/threerings/presents/tools/marshaller_as.tmpl
@@ -22,13 +22,14 @@ public class ${name}Marshaller extends InvocationMarshaller
     public static const $m.code :int = $velocityCount;
 
     // from interface ${name}Service
-    public function $m.method.name ($m.getASArgList(false)) :void
+    public function $m.method.name ($m.getASArgList(true)) :void
     {
 #foreach ($la in $m.listenerArgs)
-        var listener$la.index :$la.actionScriptMarshaller = new ${la.actionScriptMarshaller}();
-        listener${la.index}.listener = arg$la.index;
+#set ($argIdx = $la.index - 1)
+        var listener$argIdx :$la.actionScriptMarshaller = new ${la.actionScriptMarshaller}();
+        listener${argIdx}.listener = arg$argIdx;
 #end
-        sendRequest(arg1, $m.code, [
+        sendRequest($m.code, [
             $m.getASWrappedArgList(true)
         ]);
     }
diff --git a/src/java/com/threerings/presents/tools/service_as.tmpl b/src/java/com/threerings/presents/tools/service_as.tmpl
index e18e29f3b..cce5a8848 100644
--- a/src/java/com/threerings/presents/tools/service_as.tmpl
+++ b/src/java/com/threerings/presents/tools/service_as.tmpl
@@ -14,7 +14,7 @@ public interface ${name}Service extends InvocationService
 
 #end
     // from Java interface ${name}Service
-    function $m.method.name ($m.getASArgList(false)) :void;
+    function $m.method.name ($m.getASArgList(true)) :void;
 #end
 }
 }