diff --git a/src/java/com/threerings/presents/tools/GenActionScriptTask.java b/src/java/com/threerings/presents/tools/GenActionScriptTask.java
index c6c7a7054..c463a4aeb 100644
--- a/src/java/com/threerings/presents/tools/GenActionScriptTask.java
+++ b/src/java/com/threerings/presents/tools/GenActionScriptTask.java
@@ -302,7 +302,7 @@ public class GenActionScriptTask extends Task
 
         } else if (type.isArray()) {
             if (Byte.TYPE.equals(type.getComponentType())) {
-                return "(ins.readField() as ByteArray)";
+                return "(ins.readField(ByteArray) as ByteArray)";
 
             } else {
                 return "(ins.readObject() as TypedArray)";