diff --git a/aegisub/src/video_provider_ffmpegsource.cpp b/aegisub/src/video_provider_ffmpegsource.cpp
index f0da5605a..247eb4681 100644
--- a/aegisub/src/video_provider_ffmpegsource.cpp
+++ b/aegisub/src/video_provider_ffmpegsource.cpp
@@ -45,7 +45,6 @@
 #include "video_context.h"
 #include "options.h"
 #include "aegisub_endian.h"
-#include "charset_conv.h"
 #ifdef WIN32
 #include <objbase.h>
 #endif
@@ -168,7 +167,7 @@ void FFmpegSourceVideoProvider::LoadVideo(Aegisub::String filename, double fps)
 		throw ErrorMsg;
 	}
 
-	VideoSource = FFMS_CreateVideoSource(FileNameWX.mb_str(csConvLocal), TrackNumber, Index, "", Threads, SeekMode, FFMSErrorMessage, MessageSize);
+	VideoSource = FFMS_CreateVideoSource(FileNameWX.mb_str(wxConvUTF8), TrackNumber, Index, "", Threads, SeekMode, FFMSErrorMessage, MessageSize);
 	FFMS_DestroyIndex(Index);
 	Index = NULL;
 	if (VideoSource == NULL) {