diff --git a/src/core/dbus-socket.c b/src/core/dbus-socket.c
index 913cc74918..da60cf110a 100644
--- a/src/core/dbus-socket.c
+++ b/src/core/dbus-socket.c
@@ -360,6 +360,9 @@ static int bus_socket_set_transient_property(
                                 return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Unknown Socket type: %s", t);
 
                         if (p->type != SOCKET_SOCKET) {
+                                if (!path_is_valid(p->path))
+                                        return sd_bus_error_setf(error, SD_BUS_ERROR_INVALID_ARGS, "Invalid socket path: %s", t);
+
                                 p->path = strdup(a);
                                 path_simplify(p->path, false);