diff --git a/bookwyrm.nix b/bookwyrm.nix
index adb287a..87e226f 100644
--- a/bookwyrm.nix
+++ b/bookwyrm.nix
@@ -116,6 +116,17 @@ mkDerivation {
 
 		chmod +x $out/bin/bookwyrm
 
+		# Systemd units
+
+		cat <<- EOF > $out/etc/systemd/system/bookwyrm.service
+			[Unit]
+			After=network.target
+
+			[Service]
+			ExecStart=$out/bin/bookwyrm
+			WorkingDirectory=/var/lib/bookwyrm
+		EOF
+
 		runHook postInstall
 	'' ;
 }