diff --git a/cpp/devices/tape.cpp b/cpp/devices/tape.cpp
index 984ce45c..d120172b 100644
--- a/cpp/devices/tape.cpp
+++ b/cpp/devices/tape.cpp
@@ -597,7 +597,7 @@ void Tape::WriteMetaData(Tape::object_type type, uint32_t size)
 
     // The current position is always before end-of-data
     if (type != object_type::END_OF_DATA) {
-        position += sizeof(meta_data_t) + size;
+        position += sizeof(meta_data_t);
     }
 }