diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 99d5002742161346bcb8d1b1aeb5adceccf4cf7b..98712e9f542b6dcd9f1d03a25b18ca3a4d19e2c5 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -27,6 +27,7 @@ test fake slides:
 test slides acs_cc:
   stage: test
   script:
+    - rm -rf website/static/slides/acs_cc/*
     - cd slides
     - npx -y playwright@^1.41.2 install chromium
     - npx playwright install-deps
@@ -50,6 +51,7 @@ test slides acs_cc:
 test slides fils_en:
   stage: test
   script:
+    - rm -rf website/static/slides/fils_en/*
     - cd slides
     - npx -y playwright@^1.41.2 install chromium
     - npx playwright install-deps
diff --git a/slides/lectures/fils_en/03/slides.md b/slides/lectures/fils_en/03/slides.md
index c6c05b97ec60028d92ca024e46e7c066d52980ca..acacf7809e95b06df22a7029de44fcf530d6afd6 100644
--- a/slides/lectures/fils_en/03/slides.md
+++ b/slides/lectures/fils_en/03/slides.md
@@ -17,7 +17,7 @@ layout: cover
 themeConfig:
   primary: '#0060df'
 download: true
-exportFilename: ma-04
+exportFilename: ma-03
 background:
 ---
 
diff --git a/slides/lectures/fils_en/04/slides.md b/slides/lectures/fils_en/04/slides.md
index 7267002f6d68715a4bc21c5dfe258bbb4997b6ec..c2c97133de7602cf23b52e024f1caca63663dfd8 100644
--- a/slides/lectures/fils_en/04/slides.md
+++ b/slides/lectures/fils_en/04/slides.md
@@ -17,7 +17,7 @@ layout: cover
 themeConfig:
   primary: '#0060df'
 download: true
-exportFilename: ma-05
+exportFilename: ma-04
 background:
 ---
 
diff --git a/slides/lectures/fils_en/05/slides.md b/slides/lectures/fils_en/05/slides.md
index 42f7c1f790935214e8aaf2729b8a0d6716e1e9b1..2da2050cdf19c67721448d7b9c8ea6598358185f 100644
--- a/slides/lectures/fils_en/05/slides.md
+++ b/slides/lectures/fils_en/05/slides.md
@@ -17,7 +17,7 @@ layout: cover
 themeConfig:
   primary: '#0060df'
 download: true
-exportFilename: ma-06
+exportFilename: ma-05
 background:
 ---
 
diff --git a/slides/lectures/fils_en/06/slides.md b/slides/lectures/fils_en/06/slides.md
index a84d73007b2221ccaac85c21fef2b18ec2c6d69a..6483085153d8915f0f04f072c1ca2de27c732958 100644
--- a/slides/lectures/fils_en/06/slides.md
+++ b/slides/lectures/fils_en/06/slides.md
@@ -17,7 +17,7 @@ layout: cover
 themeConfig:
   primary: '#0060df'
 download: true
-exportFilename: ma-07
+exportFilename: ma-06
 background:
 ---
 
diff --git a/slides/lectures/fils_en/07/slides.md b/slides/lectures/fils_en/07/slides.md
index 47c3858042ff263c61e6caeaca2020d66d7fc201..864f9806c71dfe98fd5a157428901dd4a954d683 100644
--- a/slides/lectures/fils_en/07/slides.md
+++ b/slides/lectures/fils_en/07/slides.md
@@ -17,7 +17,7 @@ layout: cover
 themeConfig:
   primary: '#0060df'
 download: true
-exportFilename: ma-03
+exportFilename: ma-07
 background:
 ---