diff --git a/libs/libc/stdio/lib_libvsprintf.c b/libs/libc/stdio/lib_libvsprintf.c
index 5dc712182c8..6e0fef0fd34 100644
--- a/libs/libc/stdio/lib_libvsprintf.c
+++ b/libs/libc/stdio/lib_libvsprintf.c
@@ -464,7 +464,15 @@ static int vsprintf_internal(FAR struct lib_outstream_s *stream,
           if (fmt_char(fmt) == 'V')
             {
               FAR struct va_format *vaf = va_arg(ap, void *);
+#ifdef va_copy
+              va_list copy;
+
+              va_copy(copy, *vaf->va);
+              vsprintf_internal(stream, NULL, 0, vaf->fmt, copy);
+              va_end(copy);
+#else
               vsprintf_internal(stream, NULL, 0, vaf->fmt, *vaf->va);
+#endif
               continue;
             }
           else