diff --git a/supercollider/osc_receiver.scd b/supercollider/osc_receiver.scd
index 069c28e..4f93656 100644
--- a/supercollider/osc_receiver.scd
+++ b/supercollider/osc_receiver.scd
@@ -3,13 +3,14 @@
 // Then click nodes in the webapp to play tones
 
 s.boot;
+(
 s.waitForBoot {
 
     // Define synth on the server with long attack and decay
     SynthDef(\sineTone, {
         |freq = 440, amp = 0.15|
         var env = EnvGen.kr(
-            Env([0, 1, 0.8, 0], [2, 3.0, 3], \sin),
+            Env([0, 1, 0.8, 0], [1, 1.0, 3], \sin),
             doneAction: Done.freeSelf
         );
         Out.ar(0, SinOsc.ar(freq) * env * amp);
@@ -33,4 +34,5 @@ s.waitForBoot {
 
     // Keep alive
     while { true } { 10.wait; };
-}
\ No newline at end of file
+}
+)
\ No newline at end of file