diff --git a/src/Input/FGJoystickInput.hxx b/src/Input/FGJoystickInput.hxx
index 0c8fb1a54..4a5a761f2 100644
--- a/src/Input/FGJoystickInput.hxx
+++ b/src/Input/FGJoystickInput.hxx
@@ -30,7 +30,8 @@
 
 #include <memory> // for std::unique_ptr
 #include <simgear/structure/subsystem_mgr.hxx>
-#include <plib/js.h>
+
+#include <js.h>
 
 ////////////////////////////////////////////////////////////////////////
 // The Joystick Input Class
diff --git a/src/Input/js_demo.cxx b/src/Input/js_demo.cxx
index ee2b32e30..3d58375fe 100644
--- a/src/Input/js_demo.cxx
+++ b/src/Input/js_demo.cxx
@@ -3,11 +3,13 @@
 #endif
 
 #ifdef HAVE_WINDOWS_H
-#  include <windows.h>                     
+#  include <windows.h>          
+#else
+#  include <unistd.h> // for usleep           
 #endif
 
 #include <string.h>		// plib/js.h should really include this !!!!!!
-#include <plib/js.h>
+#include <js.h>
 
 #define Z 8