diff --git a/src/SFML/Window/Linux/JoystickImpl.cpp b/src/SFML/Window/Linux/JoystickImpl.cpp
index 91f22d23..ad03dcfa 100644
--- a/src/SFML/Window/Linux/JoystickImpl.cpp
+++ b/src/SFML/Window/Linux/JoystickImpl.cpp
@@ -27,6 +27,7 @@
 ////////////////////////////////////////////////////////////
 #include <SFML/Window/JoystickImpl.hpp>
 #include <sys/stat.h>
+#include <unistd.h>
 #include <errno.h>
 #include <sstream>