diff --git a/compiler/js/component.py b/compiler/js/component.py
index 48b0848d..5864132b 100644
--- a/compiler/js/component.py
+++ b/compiler/js/component.py
@@ -743,7 +743,8 @@ def next_codevar(lines, code, index):
 			r.append("%s%s.assign(%s)" %(ident, parent, json.dumps(self.elements, sort_keys=True)))
 
 		r.append(self.generate_animations(registry, parent))
-		r.append('%s%s.completed()' %(ident, parent))
+		if not self.prototype:
+			r.append('%s%s.completed()' %(ident, parent))
 		if prologue:
 			prologue = ["%svar %s;" %(ident, ", ".join(prologue))]
 		return "\n".join(prologue + r)