diff --git a/shaders/audio_renderer.gdshader b/shaders/audio_renderer.gdshader
index 474eaf9..79d188d 100644
--- a/shaders/audio_renderer.gdshader
+++ b/shaders/audio_renderer.gdshader
@@ -198,7 +198,7 @@ vec4 render_song(sampler2D tex, int smp) {
 				float samp = get_instrument_sample(instrument_idx, pitch_idx, t-t_start);
 				samp *= velocity * attack_factor * release_factor;
 				// TODO: proper decay and sustain, revisit release
-				downmixed_stereo += samp * vec2(1.0-pan, pan) * 0.5;  // TODO: double it to maintain the mono level on each channel at center=0.5?
+				downmixed_stereo += samp * vec2(pan, 1.0-pan) * 0.5;  // TODO: double it to maintain the mono level on each channel at center=0.5?
 			}
 		}
 	}