diff --git a/backend/scripts/cpu.sh b/backend/scripts/cpu.sh
index a1b45b0..c34ea6d 100644
--- a/backend/scripts/cpu.sh
+++ b/backend/scripts/cpu.sh
@@ -3,4 +3,4 @@
 # Returns CPU percentages of all machines in the cluster
 # Example output: steffe3 3.5
 
-parallel --nonall --slf /home/rock/macchine.txt top -bn1 | grep "Cpu(s)" | sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | sed "s/^/100 - /" | bc
+parallel --nonall --slf /home/rock/macchine.txt 'echo $HOSTNAME $(top -bn1 | grep "Cpu(s)" | sed "s/.*, *\([0-9.]*\)%* id.*/\1/" | sed "s/^/100 - /" | bc)'