diff --git a/language/duchain/topducontextdynamicdata.cpp b/language/duchain/topducontextdynamicdata.cpp
--- a/language/duchain/topducontextdynamicdata.cpp
+++ b/language/duchain/topducontextdynamicdata.cpp
@@ -170,7 +170,7 @@
      // now readValue is filled with the top-context data size
 
      // We only read the most needed stuff, not the whole top-context data
-     QByteArray data = file.read(sizeof(TopDUContextData));
+     QByteArray data = file.read(readValue);
      const TopDUContextData* topData = reinterpret_cast<const TopDUContextData*>(data.constData());
      callback(topData);
   }