diff --git a/Dockerfile b/Dockerfile
index 3325132..884dd5e 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@ RUN export DEBIAN_FRONTEND="noninteractive" && \
            "/var/lib/apt/lists/"* \
            "/var/log/"{apt/*,dpkg.log} \
            "/tmp/"* && \
-    useradd "calibre"
+    useradd -m "calibre"
 
 # TODO: ne pas faire tourner en root si possible