diff --git a/objects/client.c b/objects/client.c
index e5fd066bf..d193661a3 100644
--- a/objects/client.c
+++ b/objects/client.c
@@ -211,6 +211,32 @@ DO_CLIENT_SET_STRING_PROPERTY(role)
 DO_CLIENT_SET_STRING_PROPERTY(machine)
 #undef DO_CLIENT_SET_STRING_PROPERTY
 
+void
+client_find_transient_for(client_t *c, xcb_window_t trans)
+{
+    int counter;
+    client_t *tc, *tmp;
+
+    tmp = tc = client_getbywin(trans);
+
+    /* Verify that there are no loops in the transient_for relation after we are done */
+    for(counter = 0; tmp != NULL && counter <= globalconf.stack.len; counter++)
+    {
+        if (tmp == c)
+            /* We arrived back at the client we started from, so there is a loop */
+            counter = globalconf.stack.len+1;
+        tmp = tmp->transient_for;
+    }
+    if (counter <= globalconf.stack.len)
+    {
+        lua_State *L = globalconf_get_lua_State();
+
+        luaA_object_push(L, c);
+        client_set_transient_for(L, -1, tc);
+        lua_pop(L, 1);
+    }
+}
+
 void
 client_set_class_instance(lua_State *L, int cidx, const char *class, const char *instance)
 {
diff --git a/objects/client.h b/objects/client.h
index 86a28c9c2..c330bc123 100644
--- a/objects/client.h
+++ b/objects/client.h
@@ -181,6 +181,7 @@ void client_restore_enterleave_events(void);
 void client_refresh_partial(client_t *, int16_t, int16_t, uint16_t, uint16_t);
 void client_class_setup(lua_State *);
 void client_send_configure(client_t *);
+void client_find_transient_for(client_t *, xcb_window_t);
 drawable_t *client_get_drawable(client_t *, int, int);
 drawable_t *client_get_drawable_offset(client_t *, int *, int *);
 
diff --git a/property.c b/property.c
index 8069884ca..0aab8e4a6 100644
--- a/property.c
+++ b/property.c
@@ -105,32 +105,18 @@ property_update_wm_transient_for(client_t *c, xcb_get_property_cookie_t cookie)
 {
     lua_State *L = globalconf_get_lua_State();
     xcb_window_t trans;
-    int counter;
-    client_t *tc, *tmp;
 
     if(!xcb_icccm_get_wm_transient_for_reply(globalconf.connection,
 					     cookie,
 					     &trans, NULL))
             return;
 
-    tmp = tc = client_getbywin(trans);
-
     luaA_object_push(L, c);
     client_set_type(L, -1, WINDOW_TYPE_DIALOG);
     client_set_above(L, -1, false);
-
-    /* Verify that there are no loops in the transient_for relation after we are done */
-    for(counter = 0; tmp != NULL && counter <= globalconf.stack.len; counter++)
-    {
-        if (tmp == c)
-            /* We arrived back at the client we started from, so there is a loop */
-            counter = globalconf.stack.len+1;
-        tmp = tmp->transient_for;
-    }
-    if (counter <= globalconf.stack.len)
-        client_set_transient_for(L, -1, tc);
-
     lua_pop(L, 1);
+
+    client_find_transient_for(c, trans);
 }
 
 xcb_get_property_cookie_t