diff --git a/HD44780.cpp b/HD44780.cpp
index 0243a31..adb0559 100644
--- a/HD44780.cpp
+++ b/HD44780.cpp
@@ -40,7 +40,7 @@ CHD44780::~CHD44780()
 
 bool CHD44780::open()
 {
-	wiringPiSetup();
+	::wiringPiSetup();
 
 	m_fd = ::lcdInit(m_rows, m_cols, 4, 11, 10, 0, 1, 2, 3, 0, 0, 0, 0);
 	if (m_fd == -1) {