diff --git a/guix-user.conf b/guix-user.conf
index a6cb338..772ce82 100644
--- a/guix-user.conf
+++ b/guix-user.conf
@@ -1,7 +1,12 @@
 #Type Name          ID          GECOS            Home directory Shell
 g     guixbuild     -
 u     guix-builder1 -:guixbuild "Guix builder 1" /var/empty     /sbin/nologin
+m     guix-builder1 guixbuild
 u     guix-builder2 -:guixbuild "Guix builder 2" /var/empty     /sbin/nologin
+m     guix-builder2 guixbuild
 u     guix-builder3 -:guixbuild "Guix builder 3" /var/empty     /sbin/nologin
+m     guix-builder3 guixbuild
 u     guix-builder4 -:guixbuild "Guix builder 4" /var/empty     /sbin/nologin
+m     guix-builder4 guixbuild
 u     guix-builder5 -:guixbuild "Guix builder 5" /var/empty     /sbin/nologin
+m     guix-builder5 guixbuild
diff --git a/guix.changes b/guix.changes
index b9c0bca..be9cf2d 100644
--- a/guix.changes
+++ b/guix.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Thu Feb 15 11:46:20 UTC 2024 - Jaime Marquínez Ferrándiz <jaime.marquinez.ferrandiz@fastmail.net>
+
+- Modify guix-user.conf so that /etc/group is modify, otherwise guix doesn't find the users of the guixbuild group.
+
 -------------------------------------------------------------------
 Sat Feb 10 21:12:36 UTC 2024 - Jaime Marquínez Ferrándiz <jaime.marquinez.ferrandiz@fastmail.net>