diff --git a/bmp.c b/bmp.c
index dc06e03f601672fe123b69fd16f1d83374a67632..4c5cd3fb23bd6a45fcb93fcc0b0081e2d50894a5 100644
--- a/bmp.c
+++ b/bmp.c
@@ -144,7 +144,7 @@ image_t *bmp_convert(bmp_t *bmp) {
 }
 
 int main(int argc, char *argv[]) {
-    if (argc != 3 || (strcmp(argv[1], "read") != 0 && strcmp(argv[1], "write"))) {
+    if (argc != 3 || (strcmp(argv[1], "read") != 0 && strcmp(argv[1], "write") != 0)) {
         fprintf(stderr, "USAGE: %s read|write <bmp filepath>\n", argv[0]);
         exit(1);
     }