diff --git a/libretro-common/include/streams/memory_stream.h b/libretro-common/include/streams/memory_stream.h
index 3609d6f0fe..b4041e4b81 100644
--- a/libretro-common/include/streams/memory_stream.h
+++ b/libretro-common/include/streams/memory_stream.h
@@ -42,6 +42,8 @@ char *memstream_gets(memstream_t *stream, char *buffer, size_t len);
 
 size_t memstream_pos(memstream_t *stream);
 
+void memstream_rewind(memstream_t *stream);
+
 int memstream_seek(memstream_t *stream, int offset, int whence);
 
 void memstream_set_buffer(uint8_t *buffer, size_t size);
diff --git a/libretro-common/streams/memory_stream.c b/libretro-common/streams/memory_stream.c
index 396f388d0f..ffeb4a3191 100644
--- a/libretro-common/streams/memory_stream.c
+++ b/libretro-common/streams/memory_stream.c
@@ -142,6 +142,11 @@ int memstream_seek(memstream_t *stream, int offset, int whence)
    return -1;
 }
 
+void memstream_rewind(memstream_t *stream)
+{
+   memstream_seek(stream, 0L, SEEK_SET);
+}
+
 size_t memstream_pos(memstream_t *stream)
 {
    return stream->ptr;