diff --git a/message.hpp b/message.hpp
index 7902b1e..1deef71 100644
--- a/message.hpp
+++ b/message.hpp
@@ -247,8 +247,8 @@
     uint32_t sessionSeqNum;     // Session Sequence Number
     ClassOfMsg rmcpMsgClass;    // Class of Message
 #ifdef RMCP_PING
-    uint8_t asfMsgTag; // ASF Message Tag
-#endif                 // RMCP_PING
+    uint8_t asfMsgTag;          // ASF Message Tag
+#endif                          // RMCP_PING
 
     /** @brief Message payload
      *