diff --git a/MUNGA/SPOOLER.cpp b/MUNGA/SPOOLER.cpp
index 0d90faf..90a708c 100644
--- a/MUNGA/SPOOLER.cpp
+++ b/MUNGA/SPOOLER.cpp
@@ -352,12 +352,18 @@ void
 		newtime.tm_hour, newtime.tm_min, newtime.tm_sec
 	);
 
+	//
+	// Read the size BEFORE saving: SaveAs rewinds the stream when it is
+	// done, so asking afterwards reports nothing written at all - which
+	// is what the first recording's log said, next to a 2.8MB file.
+	//
+	size_t written = spool->GetBytesUsed();
+
 	spool->SaveAs(filename);
 	CopyFileA(filename, "last.spl", FALSE);
 
 	DEBUG_STREAM << "Record: wrote " << filename << " - "
-		<< packetsRecorded << " packets, "
-		<< (spool->GetBytesUsed() / 1024) << "KB"
+		<< packetsRecorded << " packets, " << (written / 1024) << "KB"
 		<< (full ? " (truncated - buffer filled)" : "")
 		<< "\n" << std::flush;
 }