diff --git a/aegisub/audio_spectrum.cpp b/aegisub/audio_spectrum.cpp
index 7fb1bc43c..fa8ff1fe6 100644
--- a/aegisub/audio_spectrum.cpp
+++ b/aegisub/audio_spectrum.cpp
@@ -271,6 +271,8 @@ void AudioSpectrum::RenderRange(__int64 range_start, __int64 range_end, bool sel
 		}
 
 #define WRITE_PIXEL \
+	if (intensity < 0) intensity = 0; \
+	if (intensity > 255) intensity = 255; \
 	img[((imgheight-y-1)*imgpitch+x)*3 + 0] = palette[intensity*3+0]; \
 	img[((imgheight-y-1)*imgpitch+x)*3 + 1] = palette[intensity*3+1]; \
 	img[((imgheight-y-1)*imgpitch+x)*3 + 2] = palette[intensity*3+2];
diff --git a/aegisub/options.cpp b/aegisub/options.cpp
index 91bc0f31f..514cde028 100644
--- a/aegisub/options.cpp
+++ b/aegisub/options.cpp
@@ -156,8 +156,8 @@ void OptionsManager::LoadDefaults() {
 	SetText(_T("Audio Downmixer"),_T("ConvertToMono"));
 	SetText(_T("Audio HD Cache Location"),_T("default"));
 	SetText(_T("Audio HD Cache Name"),_T("audio%02i.tmp"));
-	SetInt(_T("Audio Spectrum Cutoff"),32);
-	SetInt(_T("Audio Spectrum Window"),11);
+	SetInt(_T("Audio Spectrum Cutoff"),0);
+	SetInt(_T("Audio Spectrum Window"),8);
 
 	// Automation
 	SetModificationType(MOD_RESTART);