diff --git a/aegisub/src/audio_provider_ram.cpp b/aegisub/src/audio_provider_ram.cpp
index 9fd8dcffb..ba80eddf9 100644
--- a/aegisub/src/audio_provider_ram.cpp
+++ b/aegisub/src/audio_provider_ram.cpp
@@ -70,9 +70,9 @@ void RAMAudioProvider::FillCache(AudioProvider *source, agi::ProgressSink *ps) {
 
 	int64_t readsize = CacheBlockSize / source->GetBytesPerSample();
 	for (size_t i = 0; i < blockcache.size(); i++) {
+		ps->SetProgress(i + 1, blockcache.size());
 		source->GetAudio(&blockcache[i][0], i * readsize, std::min<int64_t>(readsize, num_samples - i * readsize));
 
-		ps->SetProgress(i, blockcache.size() - 1);
 		if (ps->IsCancelled()) {
 			return;
 		}