diff --git a/aegisub/libaegisub/common/keyframe.cpp b/aegisub/libaegisub/common/keyframe.cpp
index 91bee0957..5811a0b0b 100644
--- a/aegisub/libaegisub/common/keyframe.cpp
+++ b/aegisub/libaegisub/common/keyframe.cpp
@@ -93,6 +93,8 @@ std::vector<int> Load(agi::fs::path const& filename) {
 
 	if (header == "# keyframe format v1") return agi_keyframes(is);
 	if (boost::starts_with(header, "# XviD 2pass stat file")) return other_keyframes(is, xvid);
+	if (boost::starts_with(header, "# ffmpeg 2-pass log file, using xvid codec")) return other_keyframes(is, xvid);
+	if (boost::starts_with(header, "# avconv 2-pass log file, using xvid codec")) return other_keyframes(is, xvid);
 	if (boost::starts_with(header, "##map version")) return other_keyframes(is, divx);
 	if (boost::starts_with(header, "#options:")) return other_keyframes(is, x264);