diff --git a/aegisub/src/audio_controller.cpp b/aegisub/src/audio_controller.cpp
index 9d7d55e7c..8a68a8d77 100644
--- a/aegisub/src/audio_controller.cpp
+++ b/aegisub/src/audio_controller.cpp
@@ -56,6 +56,7 @@
 #include "main.h"
 #include "selection_controller.h"
 #include "standard_paths.h"
+#include "utils.h"
 #include "video_context.h"
 
 AudioController::AudioController(agi::Context *context)
@@ -311,7 +312,7 @@ void AudioController::OnSubtitlesSave()
 {
 	if (IsAudioOpen())
 	{
-		context->ass->SetScriptInfo("Audio URI", audio_url);
+		context->ass->SetScriptInfo("Audio URI", MakeRelativePath(audio_url, context->ass->filename));
 	}
 	else
 	{
diff --git a/aegisub/src/frame_main.cpp b/aegisub/src/frame_main.cpp
index 573c588bf..c0cb09752 100644
--- a/aegisub/src/frame_main.cpp
+++ b/aegisub/src/frame_main.cpp
@@ -645,7 +645,7 @@ void FrameMain::OnSubtitlesOpen() {
 	wxString curSubsVideo = DecodeRelativePath(context->ass->GetScriptInfo("Video File"), context->ass->filename);
 	wxString curSubsVFR = DecodeRelativePath(context->ass->GetScriptInfo("VFR File"), context->ass->filename);
 	wxString curSubsKeyframes = DecodeRelativePath(context->ass->GetScriptInfo("Keyframes File"), context->ass->filename);
-	wxString curSubsAudio = context->ass->GetScriptInfo("Audio URI");
+	wxString curSubsAudio = DecodeRelativePath(context->ass->GetScriptInfo("Audio URI"), context->ass->filename);
 
 	bool videoChanged = !blockVideoLoad && curSubsVideo != context->videoController->GetVideoName();
 	bool timecodesChanged = curSubsVFR != context->videoController->GetTimecodesName();