diff --git a/CHANGELOG.md b/CHANGELOG.md
index fe575f96e..84b62abba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -15,6 +15,7 @@
 - fix(dropdown) support Arabic letter connections
 - fix(value_str) support Arabic letter connections in value string property
 - fix(indev) in LV_INDEV_TYPE_BUTTON recognize 1 cycle long presses too
+- fix(arc) make arc work with encoder
 
 ## v7.7.2 (17.11.2020)
 ### Bugfixes
diff --git a/src/lv_widgets/lv_arc.c b/src/lv_widgets/lv_arc.c
index 5e27a29fa..4b2105bab 100644
--- a/src/lv_widgets/lv_arc.c
+++ b/src/lv_widgets/lv_arc.c
@@ -860,8 +860,12 @@ static lv_res_t lv_arc_signal(lv_obj_t * arc, lv_signal_t sign, void * param)
             res = lv_event_send(arc, LV_EVENT_VALUE_CHANGED, NULL);
             if(res != LV_RES_OK) return res;
         }
-    }
-    else if(sign == LV_SIGNAL_CLEANUP) {
+    }else if(sign == LV_SIGNAL_GET_EDITABLE) {
+#if LV_USE_GROUP
+        bool * editable = (bool *)param;
+        *editable = true;
+#endif
+    }else if(sign == LV_SIGNAL_CLEANUP) {
         lv_obj_clean_style_list(arc, LV_ARC_PART_KNOB);
         lv_obj_clean_style_list(arc, LV_ARC_PART_INDIC);
     }