diff --git a/DMX-2.0/SequenceurMacro.cs b/DMX-2.0/SequenceurMacro.cs
index 4b13ff2..9240eba 100644
--- a/DMX-2.0/SequenceurMacro.cs
+++ b/DMX-2.0/SequenceurMacro.cs
@@ -658,7 +658,7 @@ namespace DMX2
 					var cmd = regexCommand2.Match(commands[i]);
 					if(cmd.Success){
 						int ef = int.Parse(cmd.Groups["effet"].Value);
-						if (ef-1>index) { 
+						if (ef>index) { 
 							ef++;
 							commands[i] = ef.ToString() + cmd.Groups["params"].Value;
 						}
diff --git a/DMX-2.0/SequenceurMidi.cs b/DMX-2.0/SequenceurMidi.cs
index 683960e..f36b102 100644
--- a/DMX-2.0/SequenceurMidi.cs
+++ b/DMX-2.0/SequenceurMidi.cs
@@ -566,7 +566,7 @@ namespace DMX2
 					var cmd = regexCommand2.Match(commands[i]);
 					if(cmd.Success){
 						int ef = int.Parse(cmd.Groups["effet"].Value);
-						if (ef-1>index) { 
+						if (ef>index) { 
 							ef++;
 							commands[i] = ef.ToString() + cmd.Groups["params"].Value;
 						}
diff --git a/DMX-2.0/SequenceurOSC.cs b/DMX-2.0/SequenceurOSC.cs
index c781214..766d0ad 100644
--- a/DMX-2.0/SequenceurOSC.cs
+++ b/DMX-2.0/SequenceurOSC.cs
@@ -309,6 +309,7 @@ namespace DMX2
 			string[] data = enCours.Commande.Split(' ');
                      
 			OSCMessage message = new OSCMessage(data[0]);
+            if (data.Length < 2) return;
 			for (int i = 1; i < data.Length; i++)
 			{
 				if (int.TryParse(data[i], out int di))
@@ -320,7 +321,14 @@ namespace DMX2
             
 
 			var buff = message.Encode();
-			udpClient.Send(buff, buff.Length);
+            try
+            {
+                udpClient.Send(buff, buff.Length);
+            }
+            catch (SocketException)
+            {
+
+            }
 		}
 
 
@@ -479,7 +487,7 @@ namespace DMX2
 					var cmd = regexCommand2.Match(commands[i]);
 					if(cmd.Success){
 						int ef = int.Parse(cmd.Groups["effet"].Value);
-						if (ef-1>index) { 
+						if (ef>index) { 
 							ef++;
 							commands[i] = ef.ToString() + cmd.Groups["params"].Value;
 						}