2 files changed, 10 insertions, 2 deletions
diff --git a/src/engine/ObjectBuffer.cpp b/src/engine/ObjectBuffer.cpp
index a4108ba1..2c319b34 100644
--- a/src/engine/ObjectBuffer.cpp
+++ b/src/engine/ObjectBuffer.cpp
@@ -55,8 +55,7 @@ ObjectBuffer::ObjectBuffer(BufferFactory& factory, size_t capacity)
 		exit(EXIT_FAILURE);
 	}
 
-	object()->type = 0;
-	object()->size = capacity;
+	clear();
 }
 
 
@@ -124,5 +123,12 @@ ObjectBuffer::port_data(PortType port_type) const
 }
 
 
+void
+ObjectBuffer::prepare_write(Context& context)
+{
+	_buf->size = _size - sizeof(LV2_Object);
+}
+
+
 } // namespace Ingen
 
diff --git a/src/engine/ObjectBuffer.hpp b/src/engine/ObjectBuffer.hpp
index 354c6f46..85afa1cb 100644
--- a/src/engine/ObjectBuffer.hpp
+++ b/src/engine/ObjectBuffer.hpp
@@ -36,6 +36,8 @@ public:
 	void*       port_data(Shared::PortType port_type);
 	const void* port_data(Shared::PortType port_type) const;
 
+	void prepare_write(Context& context);
+
 	void copy(Context& context, const Buffer* src);
 
 	void resize(size_t size);