diff --git a/coreutils/dos2unix.c b/coreutils/dos2unix.c
index ed2088e4e..9fd952c31 100644
--- a/coreutils/dos2unix.c
+++ b/coreutils/dos2unix.c
@@ -24,6 +24,7 @@
 
 #include "busybox.h"
 #include <stdio.h>
+#include <stdlib.h>
 
 int dos2unix_main( int argc, char **argv ) {
  	int c;
diff --git a/dos2unix.c b/dos2unix.c
index ed2088e4e..9fd952c31 100644
--- a/dos2unix.c
+++ b/dos2unix.c
@@ -24,6 +24,7 @@
 
 #include "busybox.h"
 #include <stdio.h>
+#include <stdlib.h>
 
 int dos2unix_main( int argc, char **argv ) {
  	int c;