diff --git a/src/LinuxSocketLecroy.cpp b/src/LinuxSocketLecroy.cpp
index 28763a2fe9e0e2eee12548ba0cd235d21c781632..32d3b9daf98c57142644c741b341fa3c93f10e54 100644
--- a/src/LinuxSocketLecroy.cpp
+++ b/src/LinuxSocketLecroy.cpp
@@ -31,7 +31,7 @@
 #include <sys/types.h>
 #include <unistd.h>
 #include <fcntl.h>
-using namespace std;
+#include <cstdio>
 
 static int	hSocket;
 static int	sTimeout = 1;				//- second(s)