diff --git a/litex/soc/software/bios/readline.c b/litex/soc/software/bios/readline.c
index f507f1a65..a255ebfaa 100644
--- a/litex/soc/software/bios/readline.c
+++ b/litex/soc/software/bios/readline.c
@@ -190,7 +190,7 @@ int readline(char *buf, int len)
 	unsigned int eol_num = 0;
 	unsigned int wlen;
 	int insert = 1;
-	char ichar;
+	unsigned char ichar;
 
 #ifndef TERM_NO_COMPLETE
 	char tmp;
diff --git a/litex/soc/software/libbase/console.c b/litex/soc/software/libbase/console.c
index ec434643b..cd62b5c68 100644
--- a/litex/soc/software/libbase/console.c
+++ b/litex/soc/software/libbase/console.c
@@ -75,10 +75,7 @@ int readchar_nonblock(void)
 
 int puts(const char *s)
 {
-	while(*s) {
-		putchar(*s);
-		s++;
-	}
+	putsnonl(s);
 	putchar('\n');
 	return 1;
 }