diff --git a/data/CMakeLists.txt b/data/CMakeLists.txt
index 1bc8ae2..b75093e 100644
--- a/data/CMakeLists.txt
+++ b/data/CMakeLists.txt
@@ -30,6 +30,8 @@ install(FILES
         WORLD_READ WORLD_EXECUTE
 )
 
+add_subdirectory(systemd)
+
 if(BUILD_MAN_PAGES)
     add_subdirectory(man)
 endif()
diff --git a/data/systemd/CMakeLists.txt b/data/systemd/CMakeLists.txt
new file mode 100644
index 0000000..397ccc4
--- /dev/null
+++ b/data/systemd/CMakeLists.txt
@@ -0,0 +1,7 @@
+if (NOT DEFINED SYSTEMD_SYSTEM_UNIT_DIR)
+    find_package(PkgConfig REQUIRED)
+    pkg_check_modules(Systemd REQUIRED systemd)
+    pkg_get_variable(SYSTEMD_SYSTEM_UNIT_DIR systemd systemduserunitdir)
+endif()
+
+install(FILES override.conf DESTINATION ${SYSTEMD_SYSTEM_UNIT_DIR}/seatd.service.d/)
diff --git a/data/systemd/override.conf b/data/systemd/override.conf
new file mode 100644
index 0000000..19f348d
--- /dev/null
+++ b/data/systemd/override.conf
@@ -0,0 +1,4 @@
+[Service]
+Environment=SEATD_VTBOUND=0
+ExecStart=
+ExecStart=seatd -u dde -g dde -l debug
diff --git a/services/ddm.service.in b/services/ddm.service.in
index 5a8fb24..6231442 100644
--- a/services/ddm.service.in
+++ b/services/ddm.service.in
@@ -7,6 +7,9 @@ PartOf=graphical.target
 StartLimitIntervalSec=30
 StartLimitBurst=2
 
+Requires=seatd.service
+Before=seatd.service
+
 [Service]
 ExecStart=@CMAKE_INSTALL_FULL_BINDIR@/ddm
 Restart=always
diff --git a/src/daemon/SingleWaylandDisplayServer.cpp b/src/daemon/SingleWaylandDisplayServer.cpp
index a673c72..e9d9b2c 100644
--- a/src/daemon/SingleWaylandDisplayServer.cpp
+++ b/src/daemon/SingleWaylandDisplayServer.cpp
@@ -27,21 +27,6 @@ SingleWaylandDisplayServer::SingleWaylandDisplayServer(SocketServer *socketServe
     , m_socketServer(socketServer)
     , m_helper(new QProcess(this))
 {
-    QProcess *m_seatd = new QProcess(this);
-    m_seatd->setProgram("seatd");
-    m_seatd->setArguments({"-u", "dde", "-g", "dde", "-l", "debug"});
-    m_seatd->setProcessEnvironment([] {
-        auto env = QProcessEnvironment::systemEnvironment();
-        env.insert("SEATD_VTBOUND", "0");
-        return env;
-    }());
-    connect(m_seatd, &QProcess::readyReadStandardOutput, this, [m_seatd] {
-        qInfo() << m_seatd->readAllStandardOutput();
-    });
-    connect(m_seatd, &QProcess::readyReadStandardError, this, [m_seatd] {
-        qWarning() << m_seatd->readAllStandardError();
-    });
-
     connect(m_helper, &QProcess::readyReadStandardOutput, this, [this] {
         qInfo() << m_helper->readAllStandardOutput();
     });
@@ -49,8 +34,6 @@ SingleWaylandDisplayServer::SingleWaylandDisplayServer(SocketServer *socketServe
         qWarning() << m_helper->readAllStandardError();
     });
 
-    m_seatd->start();
-
     QString socketName = QStringLiteral("treeland-helper-%1").arg(generateName(6));
 
     // log message