diff --git a/src/buffer.cpp b/src/buffer.cpp
index a2b8ee4..524984a 100644
--- a/src/buffer.cpp
+++ b/src/buffer.cpp
@@ -60,6 +60,7 @@
             "Buffer initialization buffer header write only wrote '{}'",
             byteWritten));
     }
+    cachedBufferHeader = initializationHeader;
 }
 
 void BufferImpl::readBufferHeader()
@@ -76,7 +77,7 @@
     }
 
     cachedBufferHeader =
-        *reinterpret_cast<CircularBufferHeader*>(bytesRead.data());
+        *reinterpret_cast<struct CircularBufferHeader*>(bytesRead.data());
 };
 
 struct CircularBufferHeader BufferImpl::getCachedBufferHeader() const