diff --git a/libretro-common/streams/file_stream.c b/libretro-common/streams/file_stream.c
index 0e1046d20f..0d3d8142fb 100644
--- a/libretro-common/streams/file_stream.c
+++ b/libretro-common/streams/file_stream.c
@@ -391,10 +391,12 @@ int filestream_read_file(const char *path, void **buf, ssize_t *len)
    if (content_buf_size < 0)
       goto error;
 
-   content_buf = malloc((size_t)(content_buf_size + 1));
+   content_buf      = malloc((size_t)(content_buf_size + 1));
 
    if (!content_buf)
       goto error;
+   if ((size_t)(content_buf_size + 1) != (content_buf_size + 1))
+      goto error;
 
    ret = filestream_read(file, content_buf, (int64_t)content_buf_size);
    if (ret < 0)