diff --git a/share/examples/kld/syscall/test/call.c b/share/examples/kld/syscall/test/call.c
index 9183997821c..093ec0113d5 100644
--- a/share/examples/kld/syscall/test/call.c
+++ b/share/examples/kld/syscall/test/call.c
@@ -27,6 +27,8 @@
  */
 
 #include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
 #include <sys/syscall.h>
 #include <sys/types.h>
 #include <sys/module.h>