diff --git a/plugins/watsyn/Watsyn.h b/plugins/watsyn/Watsyn.h
index 6ff570b3b..5b4072202 100644
--- a/plugins/watsyn/Watsyn.h
+++ b/plugins/watsyn/Watsyn.h
@@ -61,7 +61,7 @@ const int WAVELEN = 4400;
 
 const int WAVERATIO = WAVELEN / GRAPHLEN;
 
-const int PMOD_AMT = 110;
+const int PMOD_AMT = WAVELEN / 2;
 
 const int	MOD_MIX = 0;
 const int	MOD_AM = 1;