diff --git a/.github/workflows/guide-notebooks-ec2.yml b/.github/workflows/guide-notebooks-ec2.yml
index e644e07b..31f79807 100644
--- a/.github/workflows/guide-notebooks-ec2.yml
+++ b/.github/workflows/guide-notebooks-ec2.yml
@@ -36,7 +36,7 @@ jobs:
         run: |
           set -xe
           cd ${{ github.workspace }}
-          python -m venv env
+          python3 -m venv env
           source env/bin/activate
           pip install --upgrade pip
           pip install matplotlib nilearn