diff --git a/freeglut/freeglut/progs/demos/CallbackMaker/CallbackMaker.c b/freeglut/freeglut/progs/demos/CallbackMaker/CallbackMaker.c
index 3aede72..e91089b 100644
--- a/freeglut/freeglut/progs/demos/CallbackMaker/CallbackMaker.c
+++ b/freeglut/freeglut/progs/demos/CallbackMaker/CallbackMaker.c
@@ -149,7 +149,7 @@ main(int argc, char *argv[])
   glutVisibilityFunc( Visibility );
   glutKeyboardUpFunc( KeyUp );
   glutSpecialUpFunc( SpecialUp );
-//  glutJoystickFunc( Joystick, 10 );
+  glutJoystickFunc( Joystick, 10 );
   glutMouseFunc ( Mouse ) ;
   glutMouseWheelFunc ( MouseWheel ) ;
   glutMotionFunc ( Motion ) ;
diff --git a/freeglut/freeglut/progs/demos/Fractals/fractals.c b/freeglut/freeglut/progs/demos/Fractals/fractals.c
index 9ac6641..9bb3bfe 100644
--- a/freeglut/freeglut/progs/demos/Fractals/fractals.c
+++ b/freeglut/freeglut/progs/demos/Fractals/fractals.c
@@ -21,6 +21,7 @@
 #include <GL/freeglut.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <math.h>
 
 typedef struct
diff --git a/freeglut/freeglut/progs/demos/Fractals_random/fractals_random.c b/freeglut/freeglut/progs/demos/Fractals_random/fractals_random.c
index f0ea3e0..3799ba0 100644
--- a/freeglut/freeglut/progs/demos/Fractals_random/fractals_random.c
+++ b/freeglut/freeglut/progs/demos/Fractals_random/fractals_random.c
@@ -23,6 +23,7 @@
 #include <GL/freeglut.h>
 #include <stdio.h>
 #include <stdlib.h>
+#include <string.h>
 #include <math.h>
 #ifdef WIN32
 #include <crtdbg.h>  // DUMP MEMORY LEAKS