diff --git a/lib/tiny-printf.c b/lib/tiny-printf.c
index 4b70263df7d73992c2a858205f45370d31f7056a..5ea2555280b1561da6e072d6d8092b9e2b2325f3 100644
--- a/lib/tiny-printf.c
+++ b/lib/tiny-printf.c
@@ -147,8 +147,7 @@ static void putc_outstr(char ch)
 	*outstr++ = ch;
 }
 
-/* Note that size is ignored */
-int snprintf(char *buf, size_t size, const char *fmt, ...)
+int sprintf(char *buf, const char *fmt, ...)
 {
 	va_list va;
 	int ret;
@@ -161,3 +160,16 @@ int snprintf(char *buf, size_t size, const char *fmt, ...)
 
 	return ret;
 }
+
+/* Note that size is ignored */
+int snprintf(char *buf, size_t size, const char *fmt, ...)
+{
+	va_list va;
+	int ret;
+
+	va_start(va, fmt);
+	ret = sprintf(buf, fmt, va);
+	va_end(va);
+
+	return ret;
+}