diff --git a/src/engine/platform/fds.cpp b/src/engine/platform/fds.cpp
index 0cfd0758..ebf69fa2 100644
--- a/src/engine/platform/fds.cpp
+++ b/src/engine/platform/fds.cpp
@@ -499,7 +499,7 @@ void DivPlatformFDS::notifyInsDeletion(void* ins) {
 }
 
 float DivPlatformFDS::getPostAmp() {
-  return useNP?1.8f:1.0f;
+  return useNP?2.0f:1.0f;
 }
 
 void DivPlatformFDS::poke(unsigned int addr, unsigned short val) {