Thinko in previous.

diff --git a/src/interop_subtitle_asset.cc b/src/interop_subtitle_asset.cc
index a3850f0408b7b02137336b61449e8d86c16fdee6..620fed7362d6d1bc206d20326d7de8ab27219506 100644 (file)
--- a/src/interop_subtitle_asset.cc
+++ b/src/interop_subtitle_asset.cc
@@ -164,7 +164,7 @@ InteropSubtitleAsset::write (boost::filesystem::path p) const
                        throw FileError ("could not open font file for writing", file, errno);
                }
                list<Font>::const_iterator j = _fonts.begin ();
-               while (j->load_id != i->id) {
+               while (j != _fonts.end() && j->load_id != i->id) {
                        ++j;
                }
                if (j != _fonts.end ()) {