diff --git a/src/main/java/fr/ntr/scheduler/MaxSNR.java b/src/main/java/fr/ntr/scheduler/MaxSNR.java
index ae5090c..9a8ab40 100644
--- a/src/main/java/fr/ntr/scheduler/MaxSNR.java
+++ b/src/main/java/fr/ntr/scheduler/MaxSNR.java
@@ -35,9 +35,11 @@ public class MaxSNR extends Scheduler {
 		double maxSnr = 0.0;
 		User userMax = null;
 		for(User u: users){
-			if (maxSnr < u.getBandwidthTable()[ts][sp]) {
-				maxSnr = u.getBandwidthTable()[ts][sp];
-				userMax = u;
+			if(!u.getPacketsToSend().isEmpty()) {
+				if (maxSnr < u.getBandwidthTable()[ts][sp]) {
+					maxSnr = u.getBandwidthTable()[ts][sp];
+					userMax = u;
+				}
 			}
 		}
 		return userMax;