diff --git a/plugin/chorus.cpp b/plugin/chorus.cpp
index d181c6c..e3511e7 100644
--- a/plugin/chorus.cpp
+++ b/plugin/chorus.cpp
@@ -140,7 +140,7 @@ void Chorus::setHpf(uint8_t mode) {
             break;
         case 0x18:
             hpCut = 1 - exp(-6.283 * 85 / sampleRate);
-            hpGain = 1.707;
+            hpGain = 1.0;
             break;
     }
 }