diff --git a/lv_conf_templ.h b/lv_conf_templ.h
index f19cdc0569..9e71db0ec5 100644
--- a/lv_conf_templ.h
+++ b/lv_conf_templ.h
@@ -70,6 +70,7 @@
 #define LV_COLOR_DEPTH     16                     /*Color depth: 1/8/16/24*/
 #define LV_COLOR_16_SWAP   0					  /*Swap the 2 bytes of RGB565 color. Useful if the display has a 8 bit interface (e.g. SPI)*/
 #define LV_COLOR_TRANSP    LV_COLOR_LIME          /*Images pixels with this color will not be drawn (with chroma keying)*/
+#define LV_COLOR_SCREEN_TRANSP        0           /*1: Enable screen transparency. Useful for OSD or other overlapping GUIs. Requires ARGB8888 colors*/
 
 /*Text settings*/
 #define LV_TXT_UTF8             1                /*Enable UTF-8 coded Unicode character usage */
diff --git a/lv_draw/lv_draw_arc.c b/lv_draw/lv_draw_arc.c
index 30cee7c968..525e56b79b 100644
--- a/lv_draw/lv_draw_arc.c
+++ b/lv_draw/lv_draw_arc.c
@@ -62,7 +62,7 @@ void lv_draw_arc(lv_coord_t center_x, lv_coord_t center_y, uint16_t radius, cons
     lv_coord_t x_start[4];
     lv_coord_t x_end[4];
 
-    lv_color_t color = style->body.main_color;
+    lv_color_t color = style->line.color;
     lv_opa_t opa = opa_scale == LV_OPA_COVER ? style->body.opa : (uint16_t)((uint16_t) style->body.opa * opa_scale) >> 8;