diff --git a/include/libretro.h b/include/libretro.h
index cff6206..8255ddf 100644
--- a/include/libretro.h
+++ b/include/libretro.h
@@ -1047,6 +1047,10 @@ typedef int (RETRO_CALLCONV *retro_vfs_close_t)(struct retro_vfs_file_handle *st
  * Introduced in VFS API v1 */
 typedef int64_t (RETRO_CALLCONV *retro_vfs_size_t)(struct retro_vfs_file_handle *stream);
 
+/* Truncate file to specified size. Returns 0 on success or -1 on error
+ * Introduced in VFS API v2 */
+typedef int64_t (RETRO_CALLCONV *retro_vfs_truncate_t)(struct retro_vfs_file_handle *stream, int64_t length);
+
 /* Get the current read / write position for the file. Returns - 1 for error.
  * Introduced in VFS API v1 */
 typedef int64_t (RETRO_CALLCONV *retro_vfs_tell_t)(struct retro_vfs_file_handle *stream);
@@ -1088,6 +1092,7 @@ struct retro_vfs_interface
 	retro_vfs_flush_t flush;
 	retro_vfs_remove_t remove;
 	retro_vfs_rename_t rename;
+   retro_vfs_truncate_t truncate;
 };
 
 struct retro_vfs_interface_info
diff --git a/include/streams/file_stream.h b/include/streams/file_stream.h
index e10c6b3..d5c0ab0 100644
--- a/include/streams/file_stream.h
+++ b/include/streams/file_stream.h
@@ -49,6 +49,8 @@ void filestream_vfs_init(const struct retro_vfs_interface_info* vfs_info);
 
 int64_t filestream_get_size(RFILE *stream);
 
+int64_t filestream_truncate(RFILE *stream, int64_t length);
+
 /**
  * filestream_open:
  * @path               : path to file
diff --git a/include/vfs/vfs_implementation.h b/include/vfs/vfs_implementation.h
index 047b170..5a1e5c3 100644
--- a/include/vfs/vfs_implementation.h
+++ b/include/vfs/vfs_implementation.h
@@ -46,6 +46,8 @@ int retro_vfs_file_error_impl(libretro_vfs_implementation_file *stream);
 
 int64_t retro_vfs_file_size_impl(libretro_vfs_implementation_file *stream);
 
+int64_t retro_vfs_file_truncate_impl(libretro_vfs_implementation_file *stream, int64_t length);
+
 int64_t retro_vfs_file_tell_impl(libretro_vfs_implementation_file *stream);
 
 int64_t retro_vfs_file_seek_impl(libretro_vfs_implementation_file *stream, int64_t offset, int seek_position);
diff --git a/streams/file_stream.c b/streams/file_stream.c
index 06b587b..680a809 100644
--- a/streams/file_stream.c
+++ b/streams/file_stream.c
@@ -41,6 +41,7 @@ static retro_vfs_get_path_t filestream_get_path_cb = NULL;
 static retro_vfs_open_t filestream_open_cb         = NULL;
 static retro_vfs_close_t filestream_close_cb       = NULL;
 static retro_vfs_size_t filestream_size_cb         = NULL;
+static retro_vfs_truncate_t filestream_truncate_cb = NULL;
 static retro_vfs_tell_t filestream_tell_cb         = NULL;
 static retro_vfs_seek_t filestream_seek_cb         = NULL;
 static retro_vfs_read_t filestream_read_cb         = NULL;
@@ -67,6 +68,7 @@ void filestream_vfs_init(const struct retro_vfs_interface_info* vfs_info)
    filestream_close_cb    = NULL;
    filestream_tell_cb     = NULL;
    filestream_size_cb     = NULL;
+   filestream_truncate_cb = NULL;
    filestream_seek_cb     = NULL;
    filestream_read_cb     = NULL;
    filestream_write_cb    = NULL;
@@ -84,6 +86,7 @@ void filestream_vfs_init(const struct retro_vfs_interface_info* vfs_info)
    filestream_open_cb     = vfs_iface->open;
    filestream_close_cb    = vfs_iface->close;
    filestream_size_cb     = vfs_iface->size;
+   filestream_truncate_cb = vfs_iface->truncate;
    filestream_tell_cb     = vfs_iface->tell;
    filestream_seek_cb     = vfs_iface->seek;
    filestream_read_cb     = vfs_iface->read;
@@ -127,6 +130,21 @@ int64_t filestream_get_size(RFILE *stream)
    return output;
 }
 
+int64_t filestream_truncate(RFILE *stream, int64_t length)
+{
+   int64_t output;
+
+   if (filestream_truncate_cb != NULL)
+      output = filestream_truncate_cb(stream->hfile, length);
+   else
+      output = retro_vfs_file_truncate_impl((libretro_vfs_implementation_file*)stream->hfile, length);
+
+   if (output == vfs_error_return_value)
+      stream->error_flag = true;
+
+   return output;
+}
+
 /**
  * filestream_open:
  * @path               : path to file
diff --git a/vfs/vfs_implementation.c b/vfs/vfs_implementation.c
index ff8100f..36bd57a 100644
--- a/vfs/vfs_implementation.c
+++ b/vfs/vfs_implementation.c
@@ -380,6 +380,22 @@ int64_t retro_vfs_file_size_impl(libretro_vfs_implementation_file *stream)
    return stream->size;
 }
 
+int64_t retro_vfs_file_truncate_impl(libretro_vfs_implementation_file *stream, int64_t length)
+{
+   if (!stream)
+      return -1;
+
+#ifdef _WIN32
+   if(_chsize(_fileno(stream->fp), length) != 0)
+      return -1;
+#else
+   if(ftruncate(fileno(stream->fp), length) != 0)
+      return -1;
+#endif
+
+   return 0;
+}
+
 int64_t retro_vfs_file_tell_impl(libretro_vfs_implementation_file *stream)
 {
    if (!stream)