diff --git a/examples/widgets/btn/lv_example_btn_1.c b/examples/widgets/btn/lv_example_btn_1.c
index 6b68c47ac..dc20ea015 100644
--- a/examples/widgets/btn/lv_example_btn_1.c
+++ b/examples/widgets/btn/lv_example_btn_1.c
@@ -26,7 +26,7 @@ void lv_example_btn_1(void)
 
     lv_obj_t * btn2 = lv_btn_create(lv_scr_act());
     lv_obj_add_event_cb(btn2, event_handler, NULL);
-    lv_obj_center(btn2);
+    lv_obj_align(btn2, LV_ALIGN_CENTER, 0, 40);
     lv_obj_add_flag(btn2, LV_OBJ_FLAG_CHECKABLE);
     lv_obj_set_height(btn2, LV_SIZE_CONTENT);
 
diff --git a/src/core/lv_obj.c b/src/core/lv_obj.c
index 554d2adfa..fa625567e 100644
--- a/src/core/lv_obj.c
+++ b/src/core/lv_obj.c
@@ -917,7 +917,9 @@ static void lv_obj_event_cb(lv_obj_t * obj, lv_event_t e)
             lv_obj_refr_pos(child);
         }
 
-        if(lv_obj_get_style_layout(obj, LV_PART_MAIN)) {
+        lv_coord_t align = lv_obj_get_style_align(obj, LV_PART_MAIN);
+        uint16_t layout = lv_obj_get_style_layout(obj, LV_PART_MAIN);
+        if(layout || align) {
             lv_obj_mark_layout_as_dirty(obj);
         }
     }
diff --git a/src/core/lv_refr.c b/src/core/lv_refr.c
index 3c6cc4a2a..e64cb5cc9 100644
--- a/src/core/lv_refr.c
+++ b/src/core/lv_refr.c
@@ -239,7 +239,7 @@ void _lv_disp_refr_timer(lv_timer_t * tmr)
 #if LV_USE_PERF_MONITOR && LV_USE_LABEL
     static lv_obj_t * perf_label = NULL;
     if(perf_label == NULL) {
-        perf_label = lv_label_create(lv_layer_sys(), NULL);
+        perf_label = lv_label_create(lv_layer_sys());
         lv_obj_set_style_bg_opa(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, LV_OPA_50);
         lv_obj_set_style_bg_color(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, lv_color_black());
         lv_obj_set_style_text_color(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, lv_color_white());
@@ -249,7 +249,7 @@ void _lv_disp_refr_timer(lv_timer_t * tmr)
         lv_obj_set_style_pad_right(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, 3);
         lv_obj_set_style_text_align(perf_label, LV_PART_MAIN, LV_STATE_DEFAULT, LV_TEXT_ALIGN_RIGHT);
         lv_label_set_text(perf_label, "?");
-        lv_obj_align(perf_label, NULL, LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
+        lv_obj_align(perf_label, LV_ALIGN_BOTTOM_RIGHT, 0, 0);
     }
 
     static uint32_t perf_last_time = 0;
@@ -277,14 +277,13 @@ void _lv_disp_refr_timer(lv_timer_t * tmr)
         fps_sum_cnt ++;
         uint32_t cpu = 100 - lv_timer_get_idle();
         lv_label_set_text_fmt(perf_label, "%d FPS\n%d%% CPU", fps, cpu);
-        lv_obj_align(perf_label, NULL, LV_ALIGN_IN_BOTTOM_RIGHT, 0, 0);
     }
 #endif
 
 #if LV_USE_MEM_MONITOR && LV_MEM_CUSTOM == 0 && LV_USE_LABEL
     static lv_obj_t * mem_label = NULL;
     if(mem_label == NULL) {
-        mem_label = lv_label_create(lv_layer_sys(), NULL);
+        mem_label = lv_label_create(lv_layer_sys());
         lv_obj_set_style_bg_opa(mem_label, LV_PART_MAIN, LV_STATE_DEFAULT, LV_OPA_50);
         lv_obj_set_style_bg_color(mem_label, LV_PART_MAIN, LV_STATE_DEFAULT, lv_color_black());
         lv_obj_set_style_text_color(mem_label, LV_PART_MAIN, LV_STATE_DEFAULT, lv_color_white());
@@ -293,7 +292,7 @@ void _lv_disp_refr_timer(lv_timer_t * tmr)
         lv_obj_set_style_pad_left(mem_label, LV_PART_MAIN, LV_STATE_DEFAULT, 3);
         lv_obj_set_style_pad_right(mem_label, LV_PART_MAIN, LV_STATE_DEFAULT, 3);
         lv_label_set_text(mem_label, "?");
-        lv_obj_align(mem_label, NULL, LV_ALIGN_IN_BOTTOM_LEFT, 0, 0);
+        lv_obj_align(mem_label, LV_ALIGN_BOTTOM_LEFT, 0, 0);
     }
 
     static uint32_t mem_last_time = 0;
@@ -305,7 +304,6 @@ void _lv_disp_refr_timer(lv_timer_t * tmr)
         uint32_t used_kb = used_size / 1024;
         uint32_t used_kb_tenth = (used_size - (used_kb * 1024)) / 102;
         lv_label_set_text_fmt(mem_label, "%d.%d kB used (%d %%)\n%d%% frag.", used_kb,  used_kb_tenth, mon.used_pct, mon.frag_pct);
-        lv_obj_align(mem_label, NULL, LV_ALIGN_IN_BOTTOM_LEFT, 0, 0);
     }
 #endif
 
diff --git a/tests/build.py b/tests/build.py
index 12d318f25..da8116d3e 100755
--- a/tests/build.py
+++ b/tests/build.py
@@ -194,6 +194,9 @@ full_32bit = {
 
   "LV_USE_BIDI": 1,
   "LV_USE_ARABIC_PERSIAN_CHARS":1,
+  "LV_USE_PERF_MONITOR":1,
+  "LV_USE_MEM_MONITOR":1,
+
 
   "LV_BUILD_EXAMPLES":1,