diff --git a/theme/boost/scss/moodle/admin.scss b/theme/boost/scss/moodle/admin.scss
index f427252cce9..5bfc1504b25 100644
--- a/theme/boost/scss/moodle/admin.scss
+++ b/theme/boost/scss/moodle/admin.scss
@@ -254,6 +254,13 @@
         max-width: none;
     }
 }
+.path-admin.path-admin-roles:not(.format-site),
+.path-admin.path-admin-tool-lp {
+    .header-maxwidth,
+    .secondary-navigation {
+        max-width: $course-content-maxwidth;
+    }
+}
 
 .plugincheckwrapper {
     width: 100%;
diff --git a/theme/boost/style/moodle.css b/theme/boost/style/moodle.css
index 987d8e04a43..e68f2a62cd0 100644
--- a/theme/boost/style/moodle.css
+++ b/theme/boost/style/moodle.css
@@ -12603,6 +12603,12 @@ body.dragging .dragging {
 .format-site .secondary-navigation {
   max-width: none; }
 
+.path-admin.path-admin-roles:not(.format-site) .header-maxwidth,
+.path-admin.path-admin-roles:not(.format-site) .secondary-navigation,
+.path-admin.path-admin-tool-lp .header-maxwidth,
+.path-admin.path-admin-tool-lp .secondary-navigation {
+  max-width: 830px; }
+
 .plugincheckwrapper {
   width: 100%; }
 
diff --git a/theme/classic/style/moodle.css b/theme/classic/style/moodle.css
index 9a580856926..3b7e48a65cf 100644
--- a/theme/classic/style/moodle.css
+++ b/theme/classic/style/moodle.css
@@ -12603,6 +12603,12 @@ body.dragging .dragging {
 .format-site .secondary-navigation {
   max-width: none; }
 
+.path-admin.path-admin-roles:not(.format-site) .header-maxwidth,
+.path-admin.path-admin-roles:not(.format-site) .secondary-navigation,
+.path-admin.path-admin-tool-lp .header-maxwidth,
+.path-admin.path-admin-tool-lp .secondary-navigation {
+  max-width: 830px; }
+
 .plugincheckwrapper {
   width: 100%; }