diff --git a/src/filter.rs b/src/filter.rs
index 655c70a..5319afe 100644
--- a/src/filter.rs
+++ b/src/filter.rs
@@ -12,6 +12,13 @@ const DISCLAIMER: &str = "(selection avec ESPACE, ENTRER pour valider)";
 pub fn timetable(timetable: Timetable) -> Timetable {
     let mut my_timetable = timetable;
 
+    /* Note on Cours/TD:
+     * We use the "as long as x interests us, we accept" approach.
+     *
+     * Because when a course and its TD are on the same slot,
+     * it's probably because there's an alternation between course
+     * and TD and no other choice is possible. */
+
     choice(&mut my_timetable);
     courses(&mut my_timetable);
     tdtp(&mut my_timetable);
@@ -84,7 +91,9 @@ fn courses(timetable: &mut Timetable) {
         day.courses.retain(|course_opt| {
             if let Some(course) = course_opt {
                 // Keep if it's a TD/TP
-                if course.category == Category::TD || course.category == Category::TP {
+                if course.category.contains(&Category::TD)
+                    || course.category.contains(&Category::TP)
+                {
                     return true;
                 }
 
@@ -134,7 +143,7 @@ fn tdtp(timetable: &mut Timetable) {
         day.courses.retain(|course_opt| {
             if let Some(course) = course_opt {
                 // Keep if it's a course
-                if course.category == Category::Cours {
+                if course.category.contains(&Category::Cours) {
                     return true;
                 }
 
diff --git a/src/ics.rs b/src/ics.rs
index c1cdb9f..f83a337 100644
--- a/src/ics.rs
+++ b/src/ics.rs
@@ -1,3 +1,5 @@
+use std::sync::Arc;
+
 use chrono::TimeZone;
 use ics::{
     parameters,
@@ -52,13 +54,20 @@ pub fn export(courses: Vec<crate::timetable::models::Course>, filename: &mut Str
         // Room location
         event.push(Location::new(course.room));
 
+        let categories = course
+            .category
+            .iter()
+            .map(|c| c.to_string())
+            .collect::<Arc<[String]>>()
+            .join("/");
+
         // Course's name
-        let mut course_name = Summary::new(format!("{} - {}", course.category, course.name));
+        let mut course_name = Summary::new(format!("{} - {}", categories, course.name));
         course_name.append(parameters!("LANGUAGE" => "fr"));
         event.push(course_name);
 
         // Course's category
-        event.push(Categories::new(course.category.to_string()));
+        event.push(Categories::new(categories));
 
         // Add the course to the calendar
         calendar.add_event(event);
diff --git a/src/timetable.rs b/src/timetable.rs
index 5a6ae56..b7c0d2c 100644
--- a/src/timetable.rs
+++ b/src/timetable.rs
@@ -49,7 +49,7 @@ pub async fn timetable(
         .filter(|element| element.value().attr("title").is_some())
         .for_each(|i| {
             let matches =
-                Regex::new(r"(?P<type>COURS|TD|TP) (?P<name>.*) : (?P<day>(lundi|mardi|mercredi|jeudi|vendredi)) (?P<startime>.*) \(durée : (?P<duration>.*)\)")
+                Regex::new(r"(?P<type>COURS|TD|TP|COURS_TD) (?P<name>.*) : (?P<day>(lundi|mardi|mercredi|jeudi|vendredi)) (?P<startime>.*) \(durée : (?P<duration>.*)\)")
                     .unwrap()
                     .captures(i.value().attr("title").unwrap())
                     .unwrap();
@@ -71,9 +71,10 @@ pub async fn timetable(
                 .name("type")
                 .unwrap()
                 .as_str() {
-                    "COURS" => models::Category::Cours,
-                    "TP" => models::Category::TP,
-                    "TD" => models::Category::TD,
+                    "COURS" => [models::Category::Cours].into(),
+                    "TP" => [models::Category::TP].into(),
+                    "TD" => [models::Category::TD].into(),
+                    "COURS_TD" => [models::Category::Cours, models::Category::TD].into(),
                     _ => panic!("Unknown type of course")
                 },
                 name: matches
diff --git a/src/timetable/models.rs b/src/timetable/models.rs
index b3c567d..4ad20c4 100644
--- a/src/timetable/models.rs
+++ b/src/timetable/models.rs
@@ -1,3 +1,5 @@
+use std::sync::Arc;
+
 #[derive(Clone, Debug, PartialEq)]
 pub enum Category {
     Cours,
@@ -14,7 +16,7 @@ impl std::fmt::Display for Category {
 #[derive(Clone, Debug, PartialEq)]
 pub struct Course {
     /// Type du cours
-    pub category: Category,
+    pub category: Arc<[Category]>,
 
     /// Course's name
     pub name: String,
diff --git a/src/utils.rs b/src/utils.rs
index afb56a6..2294491 100644
--- a/src/utils.rs
+++ b/src/utils.rs
@@ -232,7 +232,11 @@ pub fn get_count<'a>(
     timetable.1 .1.iter().for_each(|day| {
         day.courses.iter().for_each(|course_opt| {
             if let Some(course) = course_opt {
-                if allowed_list.contains(&course.category) {
+                if course
+                    .category
+                    .iter()
+                    .any(|category| allowed_list.contains(category))
+                {
                     courses.push((course, day.name.to_owned()));
                     let count = counts.entry(get_entry(course)).or_insert(0);
                     *count += 1;