diff --git a/debian/eole-lemur.postinst b/debian/eole-lemur.postinst
new file mode 100644
index 00000000..389aadac
--- /dev/null
+++ b/debian/eole-lemur.postinst
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+set -e
+
+if [ "$1" = configure ]; then
+    # Make sure the administrative user exists
+    if ! getent passwd lemur > /dev/null; then
+        adduser --system --home /nonexistent --no-create-home --group --gecos "User for lemur" lemur --quiet
+    fi
+fi
+
+exit 0