diff --git a/src/lxc/lxc_execute.c b/src/lxc/lxc_execute.c
index aea7a3c56..9ca53b4ba 100644
--- a/src/lxc/lxc_execute.c
+++ b/src/lxc/lxc_execute.c
@@ -22,6 +22,7 @@
  */
 #define _GNU_SOURCE
 #include <stdio.h>
+#include <stdlib.h>
 #include <errno.h>
 #include <libgen.h>
 #include <string.h>
diff --git a/src/lxc/lxc_monitor.c b/src/lxc/lxc_monitor.c
index ff91a2f2b..4befa15a9 100644
--- a/src/lxc/lxc_monitor.c
+++ b/src/lxc/lxc_monitor.c
@@ -21,6 +21,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
  */
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
 #include <libgen.h>
 #include <unistd.h>