diff --git a/helpers/DATA/python-apt/patch_changes/000-add_cmxsl_mirror.patch b/helpers/DATA/python-apt/patch_changes/000-add_cmxsl_mirror.patch
new file mode 100644
index 0000000..424fa1f
--- /dev/null
+++ b/helpers/DATA/python-apt/patch_changes/000-add_cmxsl_mirror.patch
@@ -0,0 +1,14 @@
+diff --git a/data/templates/Trisquel.mirrors b/data/templates/Trisquel.mirrors
+index b6c391e..e4b0bca 100644
+--- a/data/templates/Trisquel.mirrors
++++ b/data/templates/Trisquel.mirrors
+@@ -22,6 +22,9 @@ https://quantum-mirror.hu/mirrors/pub/trisquel/packages/
+ http://quantum-mirror.hu/mirrors/pub/trisquel/packages/
+ #LOC:JP
+ https://repo.jing.rocks/trisquel/
++#LOC:MX
++https://mirror.cmxsl.org/trisquel/
++http://mirror.cmxsl.org/trisquel/
+ #LOC:SE
+ https://ftp.acc.umu.se/mirror/trisquel/packages/
+ http://ftp.acc.umu.se/mirror/trisquel/packages/
diff --git a/helpers/make-python-apt b/helpers/make-python-apt
index 6970245..07169ac 100644
--- a/helpers/make-python-apt
+++ b/helpers/make-python-apt
@@ -25,6 +25,7 @@
 # The same way as 'ubiquity' is for for the next Live Desktop ISOs.
 
 VERSION=11
+CMXSLVER=1
 COMPONENT=main
 #Be aware to not pull/build before publish date on T12.
 
@@ -87,6 +88,7 @@ diff -ru source.orig/apt/progress/base.py source/apt/progress/base.py
                  self.percent = float(percent)
 EOF
 
+apply_patch_changes
 export DEB_BUILD_OPTIONS=nocheck
 
 changelog "Compiled for Trisquel"