diff --git a/app/static/js/services/soundfontPlayer.js b/app/static/js/services/soundfontPlayer.js
index 4edc156..b2ecae9 100644
--- a/app/static/js/services/soundfontPlayer.js
+++ b/app/static/js/services/soundfontPlayer.js
@@ -392,6 +392,11 @@
                 try {
                     _fluidModule._fluid_synth_program_change(_synthPtr, ch, usedProg);
                 } catch (e) {}
+            } else {
+                if (ch === undefined) ch = 0;
+                try {
+                    _fluidModule._fluid_synth_program_change(_synthPtr, ch, 0);
+                } catch (e) {}
             }
             if (ch === undefined) ch = (usedBank === 128 ? 9 : 0);
             var ctx = getCtx();