diff --git a/scripts/change_url b/scripts/change_url
index 96a709a..1449a94 100644
--- a/scripts/change_url
+++ b/scripts/change_url
@@ -128,7 +128,7 @@ then
 	fi
 	# Modify the domain to be used in a regex
 	domain_regex=$(echo "$new_domain" | sed 's@-@.@g')
-	ynh_app_setting_set $app protected_regex "$domain_regex$new_path/stats/?$","$domain_regex$new_path/manifest.webapp/?$","$domain_regex$new_path/?$","$domain_regex$new_path/[d,m]/.*$"
+	ynh_app_setting_set $app protected_regex "$domain_regex$new_path/stats/?$","$domain_regex$new_path/manifest.webapp/?$","$domain_regex$new_path/?$","$domain_regex$new_path/[d-m]/.*$"
 fi
 
 #=================================================
diff --git a/scripts/install b/scripts/install
index 4096d58..dbb969c 100644
--- a/scripts/install
+++ b/scripts/install
@@ -202,7 +202,7 @@ then
 	fi
 	# Modify the domain to be used in a regex
 	domain_regex=$(echo "$domain" | sed 's@-@.@g')
-	ynh_app_setting_set $app protected_regex "$domain_regex$path_url/stats/?$","$domain_regex$path_url/manifest.webapp/?$","$domain_regex$path_url/?$","$domain_regex$path_url/[d,m]/.*$"
+	ynh_app_setting_set $app protected_regex "$domain_regex$path_url/stats/?$","$domain_regex$path_url/manifest.webapp/?$","$domain_regex$path_url/?$","$domain_regex$path_url/[d-m]/.*$"
 fi
 
 #=================================================
diff --git a/scripts/upgrade b/scripts/upgrade
index 641b59a..5fdad75 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -260,7 +260,7 @@ then
 	# If the app is private, viewing images stays publicly accessible.
 	# Modify the domain to be used in a regex
 	domain_regex=$(echo "$domain" | sed 's@-@.@g')
-	ynh_app_setting_set $app protected_regex "$domain_regex$path_url/stats/?$","$domain_regex$path_url/manifest.webapp/?$","$domain_regex$path_url/?$","$domain_regex$path_url/[d,m]/.*$"
+	ynh_app_setting_set $app protected_regex "$domain_regex$path_url/stats/?$","$domain_regex$path_url/manifest.webapp/?$","$domain_regex$path_url/?$","$domain_regex$path_url/[d-m]/.*$"
 fi
 
 #=================================================