diff --git a/grid5000.sh b/grid5000.sh
index d276e120..aa563db2 100644
--- a/grid5000.sh
+++ b/grid5000.sh
@@ -4,7 +4,7 @@ git pull
 mvn clean package
 
 n=$RANDOM
-sleep $(( r %= 300 ))
+sleep $(( n %= 300 ))
 
 rm -rf repo/diversify-exp
 java -jar target/Diversify-statements-1.0-SNAPSHOT-jar-with-dependencies.jar git repo