diff --git a/src/bin/cp/main.c b/src/bin/cp/main.c
index 64deac3..f6e2d40 100644
--- a/src/bin/cp/main.c
+++ b/src/bin/cp/main.c
@@ -22,6 +22,7 @@
 **************************************************************************************/
 
 #include <stdio.h>
+#include <stdlib.h>
   
 int main(int argc,char **argv) {
   int i = 0x0;