diff --git a/src/audio_renderer_spectrum.cpp b/src/audio_renderer_spectrum.cpp
index d0a299a86..4331febfc 100644
--- a/src/audio_renderer_spectrum.cpp
+++ b/src/audio_renderer_spectrum.cpp
@@ -215,7 +215,7 @@ void AudioSpectrumRenderer::Render(wxBitmap &bmp, int start, AudioRenderingStyle
 		return;
 
 	assert(bmp.IsOk());
-	assert(bmp.GetDepth() == 24);
+	assert(bmp.GetDepth() == 24 || bmp.GetDepth() == 32);
 
 	int end = start + bmp.GetWidth();