diff --git a/src/dj.c b/src/dj.c
index 17c1d59..ac52883 100644
--- a/src/dj.c
+++ b/src/dj.c
@@ -22,7 +22,7 @@
 #include <stdio.h> /* fprintf(3), stderr */
 #include <stdlib.h> /* malloc(3), strtol(3), size_t */
 #include <string.h> /* memcpy(3), memmove(3), memset(3) */
-#include <sysexits.h> /* EX_OK, EX_USAGE */
+#include <sysexits.h> /* EX_OK, EX_OSERR, EX_USAGE */
 #include <unistd.h> /* close(2), getopt(3), lseek(2), read(2), write(2),
                      * optarg, optind, STDIN_FILENO, STDOUT_FILENO */
 #include <sys/stat.h> /* S_IRGRP, S_IROTH, S_IRUSR, S_IWGRP, S_IWOTH,
@@ -246,9 +246,8 @@ int main(int argc, char *argv[]){
 	assert(io->fd != STDIN_FILENO  || io->fl == read_flags);
 	assert(io->fd != STDOUT_FILENO || io->fl == write_flags);
 
-	if(argc > optind){
+	if(argc > optind)
 		return usage(program_name);
-	}
 
 	for(i = 0; i < 2; ++i){
 		/* buffer allocation */