diff --git a/scripts/install b/scripts/install
index 663f07d..f42dda9 100644
--- a/scripts/install
+++ b/scripts/install
@@ -24,7 +24,7 @@ ynh_script_progression --message="Building app..." --weight=5
 
 python3 -m venv "$install_dir/venv"
 
-ynh_exec_warn_less "$install_dir/venv/bin/python3" pip install \
+ynh_exec_warn_less "$install_dir/venv/bin/python3" -m pip install \
     jupyterlab=="$(jupyterlab_upstream_version)" \
     jupyterhub \
     jupyter_collaboration \
diff --git a/scripts/upgrade b/scripts/upgrade
index af2e871..4a5e48e 100644
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -32,7 +32,7 @@ ynh_script_progression --message="Building app..." --weight=15
 ynh_secure_remove --file="$install_dir/.venv"
 python3 -m venv "$install_dir/venv"
 
-ynh_exec_warn_less "$install_dir/venv/bin/python3" pip install \
+ynh_exec_warn_less "$install_dir/venv/bin/python3" -m pip install \
     jupyterlab=="$(jupyterlab_upstream_version)" \
     jupyterhub \
     jupyter_collaboration \