diff --git a/lib/cpp/src/protocol/TProtocol.h b/lib/cpp/src/protocol/TProtocol.h
index 2a922c7..2656e5e 100644
--- a/lib/cpp/src/protocol/TProtocol.h
+++ b/lib/cpp/src/protocol/TProtocol.h
@@ -77,7 +77,7 @@
 
 using apache::thrift::transport::TTransport;
 
-#ifdef HAVE_SYS_PARAM_H_
+#ifdef HAVE_SYS_PARAM_H
 #include <sys/param.h>
 #endif