diff --git a/ansible/configure-server.yml b/ansible/configure-server.yml
index a0b8c08..0d24c49 100644
--- a/ansible/configure-server.yml
+++ b/ansible/configure-server.yml
@@ -2,6 +2,7 @@
 - hosts: pi
   gather_facts: no
   tasks:
+  ## LCD STUFF
   - name: Enable i2c on boot/config.txt
     lineinfile:
       dest: /boot/config.txt
@@ -41,11 +42,23 @@
       state: started
     tags: display
 
+  ## Now the most important part: PPS
+  - name: Add PPS tools
+    package:
+      name: pps-tools
+      state: present
+
+  - name: PPS on GPIO
+    lineinfile:
+      dest: /boot/config.txt
+      regexp: "^dtoverlay=pps-gpio"
+      line: "dtoverlay=pps-gpio,gpiopin=18"
+      state: present
+
 
 
 
 - hosts: all
-  gather_facts: no
   tasks:
 # - name: Install chrony
 #   package:
diff --git a/ansible/files/chrony.conf.j2 b/ansible/files/chrony.conf.j2
index 49ecf33..ae2f71f 100644
--- a/ansible/files/chrony.conf.j2
+++ b/ansible/files/chrony.conf.j2
@@ -33,7 +33,11 @@
 
 pool pool.ntp.infomaniak.ch iburst
 pool 2.arch.pool.ntp.org iburst
- 
+
+{% if ansible_hostname == "chronos" %}
+refclock PPS /dev/pps0 refid PPS
+{% endif %}
+
 #######################################################################
 ### AVOIDING POTENTIALLY BOGUS CHANGES TO YOUR CLOCK
 #