diff --git a/openbr/plugins/frames.cpp b/openbr/plugins/frames.cpp
index 7467a18..7ef0c33 100644
--- a/openbr/plugins/frames.cpp
+++ b/openbr/plugins/frames.cpp
@@ -19,7 +19,7 @@ class AggregateFrames : public TimeVaryingTransform
     TemplateList buffer;
 
 public:
-    AggregateFrames() : TimeVaryingTransform(false) {}
+    AggregateFrames() : TimeVaryingTransform(false, false) {}
 
 private:
     void train(const TemplateList &data)