diff --git a/install_web.sh b/install_web.sh
index 2d0aacc..a39e4d7 100755
--- a/install_web.sh
+++ b/install_web.sh
@@ -32,7 +32,7 @@ deactivate_node
 # Install strace for linetrace functionality
 sudo apt install -y strace
 # For rpi4 non-armbian version we need to give ptrace the right permissions
-sudo bash -c 'echo "0" > /proc/sys/kernel/yama/ptrace_scope'
+sudo sed -i 's/kernel.yama.ptrace_scope = 1/kernel.yama.ptrace_scope = 0/g' /etc/sysctl.d/10-ptrace.conf
 
 # Install nginx (as reverse proxy to all services)
 sudo apt install -y nginx