diff --git a/lv_objx/lv_slider.c b/lv_objx/lv_slider.c
index bc7dfaa3f1..492644ee1a 100644
--- a/lv_objx/lv_slider.c
+++ b/lv_objx/lv_slider.c
@@ -293,14 +293,10 @@ static bool lv_slider_design(lv_obj_t * slider, const lv_area_t * mask, lv_desig
         }
 
         if(ext->knob_in) {  /*Enable extra size if the knob is inside */
-            if(pad_hor_bg < 0) {
-                area_bg.x1 += pad_hor_bg;
-                area_bg.x2 -= pad_hor_bg;
-            }
-            if(pad_ver_bg < 0) {
-                area_bg.y1 += pad_hor_bg;
-                area_bg.y2 -= pad_hor_bg;
-            }
+            area_bg.x1 += pad_hor_bg;
+            area_bg.x2 -= pad_hor_bg;
+            area_bg.y1 += pad_hor_bg;
+            area_bg.y2 -= pad_hor_bg;
         } else  { /*Let space only in the perpendicular directions*/
             area_bg.x1 += slider_w < slider_h ? pad_hor_bg : 0;   /*Pad only for vertical slider*/
             area_bg.x2 -= slider_w < slider_h ? pad_hor_bg : 0;   /*Pad only for vertical slider*/