diff --git a/fedora-gnome/fedora-gnome.sh b/fedora-gnome/fedora-gnome.sh
index 492d810..d6acc7a 100644
--- a/fedora-gnome/fedora-gnome.sh
+++ b/fedora-gnome/fedora-gnome.sh
@@ -42,7 +42,7 @@ sudo chmod 644 /etc/modprobe.d/30_security-misc.conf
 sudo sed -i 's/#install msr/install msr/g' /etc/modprobe.d/30_security-misc.conf
 unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/990-security-misc.conf | sudo tee /etc/sysctl.d/990-security-misc.conf
 sudo chmod 644 /etc/sysctl.d/990-security-misc.conf
-sudo sed -i 's/kernel.yama.ptrace_scope.*/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
+sudo sed -i 's/kernel\.yama\.ptrace_scope[[:space:]]*=.*/kernel.yama.ptrace_scope=3/g' /etc/sysctl.d/990-security-misc.conf
 unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_silent-kernel-printk.conf | sudo tee /etc/sysctl.d/30_silent-kernel-printk.conf
 sudo chmod 644 /etc/sysctl.d/30_silent-kernel-printk.conf
 unpriv curl --proxy http://127.0.0.1:8082 https://raw.githubusercontent.com/Kicksecure/security-misc/master/usr/lib/sysctl.d/30_security-misc_kexec-disable.conf | sudo tee /etc/sysctl.d/30_security-misc_kexec-disable.conf