diff --git a/aegisub/src/audio_provider_ffmpegsource.cpp b/aegisub/src/audio_provider_ffmpegsource.cpp
index 893f91244..14fa91e63 100644
--- a/aegisub/src/audio_provider_ffmpegsource.cpp
+++ b/aegisub/src/audio_provider_ffmpegsource.cpp
@@ -179,7 +179,11 @@ void FFmpegSourceAudioProvider::LoadAudio(wxString filename) {
 		// warn user?
 	}
 
+#if FFMS_VERSION >= ((2 << 24) | (14 << 16) | (1 << 8) | 0)
+	AudioSource = FFMS_CreateAudioSource(FileNameShort.utf8_str(), TrackNumber, Index, -1, &ErrInfo);
+#else
 	AudioSource = FFMS_CreateAudioSource(FileNameShort.utf8_str(), TrackNumber, Index, &ErrInfo);
+#endif
 	FFMS_DestroyIndex(Index);
 	Index = NULL;
 	if (!AudioSource) {