diff --git a/libretro-common/streams/file_stream.c b/libretro-common/streams/file_stream.c
index 950d66c1d4..8590d5552d 100644
--- a/libretro-common/streams/file_stream.c
+++ b/libretro-common/streams/file_stream.c
@@ -612,7 +612,7 @@ int filestream_read_file(const char *path, void **buf, ssize_t *len)
 
    /* Allow for easy reading of strings to be safe.
     * Will only work with sane character formatting (Unix). */
-   ((char*)content_buf)[content_buf_size] = '\0';
+   ((char*)content_buf)[ret] = '\0';
 
    if (len)
       *len = ret;