diff -duPNr fluidsynth-1.0.5-0/src/fluid_rev.c fluidsynth-1.0.5/src/fluid_rev.c
--- fluidsynth-1.0.5-0/src/fluid_rev.c	2004-03-26 15:59:58.000000000 +0000
+++ fluidsynth-1.0.5/src/fluid_rev.c	2004-08-29 18:04:48.647707504 +0100
@@ -535,8 +535,8 @@
 fluid_revmodel_setlevel(fluid_revmodel_t* rev, fluid_real_t value)
 {
 /*   fluid_clip(value, 0.0f, 1.0f); */
-/*   rev->wet = value * scalewet; */
-/*   fluid_revmodel_update(rev); */
+  rev->wet = value * scalewet;
+  fluid_revmodel_update(rev);
 }
 
 fluid_real_t