diff --git a/.vscode/settings.json b/.vscode/settings.json
index b9475d1..7afaac6 100644
--- a/.vscode/settings.json
+++ b/.vscode/settings.json
@@ -32,7 +32,8 @@
         "string": "c",
         "string_view": "c",
         "version.h": "c",
-        "cdecl.h": "c"
+        "cdecl.h": "c",
+        "algorithm": "c"
     },
     "C_Cpp.errorSquiggles": "disabled"
 }
\ No newline at end of file
diff --git a/dsp/gain_control.c b/dsp/gain_control.c
index e5d0cec..6863b3f 100644
--- a/dsp/gain_control.c
+++ b/dsp/gain_control.c
@@ -17,10 +17,8 @@ void initAGC(AGC* agc, int sampleRate, float targetLevel, float minGain, float m
 	agc->rms_buffer = 0.0f;
 }
 
-float process_agc_stereo(AGC* agc, float left, float right, float *right_out) {
-	float sample = (left+right)/2;
-
-	float x2 = sample * sample;
+float process_agc(AGC* agc, float sidechain) {
+	float x2 = sidechain * sidechain;
 
 	float rmsAlpha = expf(-1.0f / (agc->sampleRate * 0.04));
 	agc->rms_buffer = rmsAlpha * agc->rms_buffer + (1.0f - rmsAlpha) * x2;
@@ -35,6 +33,5 @@ float process_agc_stereo(AGC* agc, float left, float right, float *right_out) {
 	float gainAlpha = (desiredGain > agc->currentGain) ? agc->attackCoef : agc->releaseCoef;
 	agc->currentGain = gainAlpha * agc->currentGain + (1.0f - gainAlpha) * desiredGain;
 
-	*right_out = right * agc->currentGain;
-	return left * agc->currentGain;
+	return agc->currentGain;
 }
\ No newline at end of file
diff --git a/dsp/gain_control.h b/dsp/gain_control.h
index b5ebd29..45f215e 100644
--- a/dsp/gain_control.h
+++ b/dsp/gain_control.h
@@ -19,4 +19,4 @@ typedef struct {
 } AGC;
 
 void initAGC(AGC* agc, int sampleRate, float targetLevel, float minGain, float maxGain, float attackTime, float releaseTime);
-float process_agc_stereo(AGC* agc, float left, float right, float *right_out);
\ No newline at end of file
+float process_agc(AGC* agc, float sidechain);
\ No newline at end of file
diff --git a/src/fm95.c b/src/fm95.c
index 88c0944..3df621d 100644
--- a/src/fm95.c
+++ b/src/fm95.c
@@ -477,12 +477,16 @@ int main(int argc, char **argv) {
 			float ready_r = apply_preemphasis(&preemp_r, right[i]);
 			iirfilt_rrrf_execute(lpf_l, ready_l, &ready_l);
 			iirfilt_rrrf_execute(lpf_r, ready_r, &ready_r);
-			ready_l = process_agc_stereo(&agc, ready_l, ready_r, &ready_r);
+
+			float agc_gain = process_agc(&agc, ((ready_l + ready_r) * 0.5f));
+			ready_l *= agc_gain;
+			ready_r *= agc_gain;
+
 			ready_l = hard_clip(ready_l*audio_volume, clipper_threshold);
 			ready_r = hard_clip(ready_r*audio_volume, clipper_threshold);
 
-			float mid = (ready_l + ready_r) / 2.0f;
-			float side = (ready_l - ready_r) / 2.0f;
+			float mid = (ready_l + ready_r) * 0.5f;
+			float side = (ready_l - ready_r) * 0.5f;
 
 			audio = mid*MONO_VOLUME;
 			if(stereo) {