diff --git a/src/cat.c b/src/cat.c
index c577d2d..3fc2a72 100644
--- a/src/cat.c
+++ b/src/cat.c
@@ -19,12 +19,9 @@
  */
 
 #include <errno.h>
-#include <fcntl.h>
 #include <sysexits.h>
 #include <stdbool.h>
 #include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
 #include <unistd.h>
 
 void cat(FILE *file, bool u) {
@@ -97,7 +94,7 @@ int main(int argc, char *argv[]) {
 	for (i = optind; i < argc; i++) {
 		if (argv[i][0] == '-' && argv[i][1] != '\0') {
 			continue;
-		} else if (strcmp(argv[i], "-") == 0) {
+		} else if (argv[i][0] == '-' && argv[i][1] == '\0') {
 			file = stdin;
 		} else if ((file = fopen(argv[i], "r")) == NULL) {
 			switch (errno) {