--- src/exactly/main.c.orig	Wed Apr 27 19:08:28 2016
+++ src/exactly/main.c	Wed Apr 27 19:10:31 2016
@@ -142,6 +142,10 @@ decipher_command_line(int argc, char** argv)
 
 int main(int argc, char* argv[])
 {
+    if (pledge("stdio", NULL) == -1) {
+	perror("pledge");
+	exit(2);
+    }
     char* block = NULL;
     unsigned long int i = 0;
     unsigned long int rcount = 0;