diff --git a/source/Platform/Unix/X11Display.cpp b/source/Platform/Unix/X11Display.cpp
index d255d58..f4f2222 100644
--- a/source/Platform/Unix/X11Display.cpp
+++ b/source/Platform/Unix/X11Display.cpp
@@ -57,7 +57,7 @@ bool X11Display::create(DisplayDescription description)
 	// We want InputFocus,Keyboard,Mouse,Resize,Exposure (repaint) events.
 	attr.event_mask = FocusChangeMask
 		| KeyPressMask | KeyReleaseMask
-		| ButtonPressMask | ButtonReleaseMask
+		| ButtonPressMask | ButtonReleaseMask | PointerMotionMask
 		| StructureNotifyMask | ExposureMask;
 
 	m_win = ::XCreateWindow(disp, root_win,