diff --git a/models/music_rate_in_proxy.cpp b/models/music_rate_in_proxy.cpp
index 5b65204c85..f08f8f387e 100644
--- a/models/music_rate_in_proxy.cpp
+++ b/models/music_rate_in_proxy.cpp
@@ -37,6 +37,7 @@
 
 // Includes from nestkernel:
 #include "kernel_manager.h"
+#include "event_delivery_manager_impl.h"
 
 /* ----------------------------------------------------------------
  * Default constructors defining default parameters and state
@@ -149,7 +150,7 @@ nest::music_rate_in_proxy::get_status( DictionaryDatum& d ) const
   P_.get( d );
   S_.get( d );
 
-  ( *d )[ names::data ] = DoubleVectorDatum( new std::vector< double >( B_.data_ ) );
+  ( *d )[ names::data ] = DoubleVectorDatum( new std::vector< double >( 1, B_.data_ ) );
 }
 
 void