diff --git a/start-cpulimit.sh b/start-cpulimit.sh
index 89536ab..5c2a582 100755
--- a/start-cpulimit.sh
+++ b/start-cpulimit.sh
@@ -2,7 +2,7 @@
 # Shell script to start PyLink under CPUlimit, killing it if it starts abusing the CPU.
 
 # Set this to whatever you want. cpulimit --help
-LIMIT=50
+LIMIT=20
 
 # Change to the PyLink root directory.
 WRAPPER_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)