diff --git a/src/others/observer/lv_observer.c b/src/others/observer/lv_observer.c
index f7257a19f2..d13d3b95f3 100644
--- a/src/others/observer/lv_observer.c
+++ b/src/others/observer/lv_observer.c
@@ -556,7 +556,10 @@ lv_observer_t * lv_label_bind_text(lv_obj_t * obj, lv_subject_t * subject, const
     LV_ASSERT_NULL(obj);
 
     if(fmt == NULL) {
-        if(subject->type != LV_SUBJECT_TYPE_STRING && subject->type != LV_SUBJECT_TYPE_POINTER) {
+        if(subject->type == LV_SUBJECT_TYPE_INT) {
+            fmt = "%d";
+        }
+        else if(subject->type != LV_SUBJECT_TYPE_STRING && subject->type != LV_SUBJECT_TYPE_POINTER) {
             LV_LOG_WARN("Incompatible subject type: %d", subject->type);
             return NULL;
         }
diff --git a/tests/src/test_cases/test_observer.c b/tests/src/test_cases/test_observer.c
index ebbf0e0d47..6ba28814f9 100644
--- a/tests/src/test_cases/test_observer.c
+++ b/tests/src/test_cases/test_observer.c
@@ -663,11 +663,11 @@ void test_observer_label_text_normal(void)
     observer = lv_label_bind_text(obj, &subject_color, NULL);
     TEST_ASSERT_EQUAL_PTR(NULL, observer);
 
-    /*Cannot bind int*/
+    /*Bind it with "%d" if NULL is passed*/
     static lv_subject_t subject_int;
-    lv_subject_init_int(&subject_int, 0);
+    lv_subject_init_int(&subject_int, 10);
     observer = lv_label_bind_text(obj, &subject_int, NULL);
-    TEST_ASSERT_EQUAL_PTR(NULL, observer);
+    TEST_ASSERT_EQUAL_STRING("10", lv_label_get_text(obj));
 
     /*Bind to string*/
     static char buf[32];
diff --git a/xmls/lv_label.xml b/xmls/lv_label.xml
index a70c165847..8abc48df60 100644
--- a/xmls/lv_label.xml
+++ b/xmls/lv_label.xml
@@ -23,5 +23,9 @@ Example
 	    <prop name="long_mode">
 	    	<param name="mode" type="enum:lv_label_long_mode" />
 	   	</prop>
+	    <prop name="bind_text">
+	    	<param name="subject" type="subject" />
+	    	<param name="string" type="fmt" default="NULL"/>
+	   	</prop>
 	</api>
-</widget>
\ No newline at end of file
+</widget>
diff --git a/xmls/lv_slider.xml b/xmls/lv_slider.xml
index b9d0757169..0fed948b8f 100644
--- a/xmls/lv_slider.xml
+++ b/xmls/lv_slider.xml
@@ -28,5 +28,8 @@ Example
 	    <prop name="mode" type="enum:lv_slider_mode">
 	    	<param name="range_min" type="int"/>
 	    </prop>
+	    <prop name="bind_value">
+	    	<param name="subject" type="subject" />
+	   	</prop>
 	</api>
 </widget>
\ No newline at end of file