diff --git a/quickshell/Services/LabwcService.qml b/quickshell/Services/LabwcService.qml
new file mode 100644
index 00000000..d6c8e77b
--- /dev/null
+++ b/quickshell/Services/LabwcService.qml
@@ -0,0 +1,15 @@
+pragma Singleton
+pragma ComponentBehavior: Bound
+
+import QtQuick
+import Quickshell
+
+Singleton {
+    id: root
+
+    // Exit the labwc session. Used by SessionService when the user
+    // triggers logout and no custom logout command is configured.
+    function quit() {
+        Quickshell.execDetached(["labwc", "--exit"]);
+    }
+}
diff --git a/quickshell/Services/SessionService.qml b/quickshell/Services/SessionService.qml
index 7f5a1ede..5c7a4f2d 100644
--- a/quickshell/Services/SessionService.qml
+++ b/quickshell/Services/SessionService.qml
@@ -320,6 +320,11 @@ Singleton {
                 return;
             }
 
+            if (CompositorService.isLabwc) {
+                LabwcService.quit();
+                return;
+            }
+
             if (CompositorService.isSway || CompositorService.isScroll || CompositorService.isMiracle) {
                 try {
                     I3.dispatch("exit");