diff --git a/libs/libc/stdio/lib_puts.c b/libs/libc/stdio/lib_puts.c
index b51a5a83942..8e57f888e7c 100644
--- a/libs/libc/stdio/lib_puts.c
+++ b/libs/libc/stdio/lib_puts.c
@@ -57,7 +57,7 @@ int puts(FAR const IPTR char *s)
   /* Write the string without its trailing '\0' */
 
   nwritten = fputs_unlocked(s, stream);
-  if (nwritten > 0)
+  if (nwritten >= 0)
     {
       /* Followed by a newline */