diff --git a/a8/tcpsession.h b/a8/tcpsession.h
index 94c6926..2259de0 100644
--- a/a8/tcpsession.h
+++ b/a8/tcpsession.h
@@ -1,5 +1,5 @@
-#ifndef A8_TCPSESSION2_H
-#define A8_TCPSESSION2_H
+#ifndef A8_TCPSESSION_H
+#define A8_TCPSESSION_H
 
 #include <mutex>