diff --git a/Source/Core/DolphinNoGUI/MainNoGUI.cpp b/Source/Core/DolphinNoGUI/MainNoGUI.cpp
index 988518724a..56671c72a1 100644
--- a/Source/Core/DolphinNoGUI/MainNoGUI.cpp
+++ b/Source/Core/DolphinNoGUI/MainNoGUI.cpp
@@ -160,6 +160,7 @@ void Host_YieldToUI()
 }
 
 #if HAVE_X11
+#include <X11/Xlib.h>
 #include <X11/keysym.h>
 #include "UICommon/X11Utils.h"