diff --git a/plugin/voice.cpp b/plugin/voice.cpp
index e5e195b..ff9be2a 100644
--- a/plugin/voice.cpp
+++ b/plugin/voice.cpp
@@ -149,6 +149,8 @@ void Voice::run(Synth &s, float *buffer, uint32_t samples) {
 
     float gain = 0.5 * powf(2, (s.patchRam.vca / 64.0f) - 1);
 
+    float vcaEnv = (s.patchRam.switch2 & 0x04)?(float)ff11:(env / 16384.0f);
+
     for (uint32_t i = 0; i < samples; i++) {
         y = delay;
         delay = 0;
@@ -197,7 +199,7 @@ void Voice::run(Synth &s, float *buffer, uint32_t samples) {
         out = y;
         // widthDelay = pw;
 
-        vr58c106 += (((env / 16383.0) - vr58c106) * 0.0075);
+        vr58c106 += ((vcaEnv- vr58c106) * 0.0075);
         buffer[i] += (gain * out * vr58c106);
     }
 }