diff --git a/src/driver/display.h b/src/driver/display.h
index efca9ed24..d98dd99d5 100644
--- a/src/driver/display.h
+++ b/src/driver/display.h
@@ -18,6 +18,8 @@
 #ifndef __DISPLAY_H__
 #define __DISPLAY_H__
 
+#include <string>
+
 class CDisplay
 {
 	public: