src/screensave.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/screensave.c b/src/screensave.c
index ae4f577..810f54c 100755
--- a/src/screensave.c
+++ b/src/screensave.c
@@ -26,6 +26,7 @@
 #include <math.h>
 #include <stdlib.h>
 #include <strings.h>
+#include <string.h>
 
   
 #include <GL/gl.h>