diff --git a/cutecat.c b/cutecat.c
index 7483a43..71bd815 100644
--- a/cutecat.c
+++ b/cutecat.c
@@ -30,11 +30,11 @@ void OwO(char *buf, off_t len) {
 }
 
 void PrintRainbow(char c, off_t i) {
-	int red = sin(FREQ * i) * 127 + 128;
-	int blue = sin(FREQ * i + 2 * M_PI / 3) * 127 + 128;
-	int green = sin(FREQ * i + 4 * M_PI / 3) * 127 + 128;
+	unsigned int red = sin(FREQ * i) * 127 + 128;
+	unsigned int blue = sin(FREQ * i + 2 * M_PI / 3) * 127 + 128;
+	unsigned int green = sin(FREQ * i + 4 * M_PI / 3) * 127 + 128;
 
-	printf("\033[38;2;%d;%d;%dm%c\033[0m", red, green, blue, c);
+	printf("\033[38;2;%u;%u;%um%c\033[0m", red, green, blue, c);
 }
 
 int cat(const char *path) {
@@ -50,13 +50,17 @@ int cat(const char *path) {
 
 	char buf[1025];
 	off_t len = 0;
+	off_t n_line = 0;
 
 	while ((len = read(fd, buf, sizeof(buf))) > 0) {
 		OwO(buf, len);
 
 		for (off_t i = 0; i < len; i++) {
+			if (buf[i] == '\n')
+				n_line++;
+
 			if (!isspace(buf[i]) && !r_flag)
-				PrintRainbow(buf[i], i);
+				PrintRainbow(buf[i], len + n_line);
 
 			else
 				putchar(buf[i]);