diff --git a/src/lv_core/lv_style.c b/src/lv_core/lv_style.c
index 6f5190f8f..272001339 100644
--- a/src/lv_core/lv_style.c
+++ b/src/lv_core/lv_style.c
@@ -116,14 +116,14 @@ void lv_style_init(void)
     lv_style_scr.line.rounded = 0;
 
     /*Plain style (by default near the same as the screen style)*/
-    memcpy(&lv_style_plain, &lv_style_scr, sizeof(lv_style_t));
+    lv_style_copy(&lv_style_plain, &lv_style_scr);
     lv_style_plain.body.padding.left   = LV_DPI / 12;
     lv_style_plain.body.padding.right  = LV_DPI / 12;
     lv_style_plain.body.padding.top    = LV_DPI / 12;
     lv_style_plain.body.padding.bottom = LV_DPI / 12;
 
     /*Plain color style*/
-    memcpy(&lv_style_plain_color, &lv_style_plain, sizeof(lv_style_t));
+    lv_style_copy(&lv_style_plain_color, &lv_style_plain);
     lv_style_plain_color.text.color      = lv_color_make(0xf0, 0xf0, 0xf0);
     lv_style_plain_color.image.color     = lv_color_make(0xf0, 0xf0, 0xf0);
     lv_style_plain_color.line.color      = lv_color_make(0xf0, 0xf0, 0xf0);
@@ -131,7 +131,7 @@ void lv_style_init(void)
     lv_style_plain_color.body.grad_color = lv_style_plain_color.body.main_color;
 
     /*Pretty style */
-    memcpy(&lv_style_pretty, &lv_style_plain, sizeof(lv_style_t));
+    lv_style_copy(&lv_style_pretty, &lv_style_plain);
     lv_style_pretty.text.color        = lv_color_make(0x20, 0x20, 0x20);
     lv_style_pretty.image.color       = lv_color_make(0x20, 0x20, 0x20);
     lv_style_pretty.line.color        = lv_color_make(0x20, 0x20, 0x20);
@@ -143,7 +143,7 @@ void lv_style_init(void)
     lv_style_pretty.body.border.opa   = LV_OPA_30;
 
     /*Pretty color style*/
-    memcpy(&lv_style_pretty_color, &lv_style_pretty, sizeof(lv_style_t));
+    lv_style_copy(&lv_style_pretty_color, &lv_style_pretty);
     lv_style_pretty_color.text.color        = lv_color_make(0xe0, 0xe0, 0xe0);
     lv_style_pretty_color.image.color       = lv_color_make(0xe0, 0xe0, 0xe0);
     lv_style_pretty_color.line.color        = lv_color_make(0xc0, 0xc0, 0xc0);
@@ -152,24 +152,24 @@ void lv_style_init(void)
     lv_style_pretty_color.body.border.color = lv_color_make(0x15, 0x2c, 0x42);
 
     /*Transparent style*/
-    memcpy(&lv_style_transp, &lv_style_plain, sizeof(lv_style_t));
+    lv_style_copy(&lv_style_transp, &lv_style_plain);
     lv_style_transp.glass             = 1;
     lv_style_transp.body.border.width = 0;
     lv_style_transp.body.opa          = LV_OPA_TRANSP;
 
     /*Transparent fitting size*/
-    memcpy(&lv_style_transp_fit, &lv_style_transp, sizeof(lv_style_t));
+    lv_style_copy(&lv_style_transp_fit, &lv_style_transp);
     lv_style_transp_fit.body.padding.left   = 0;
     lv_style_transp_fit.body.padding.right  = 0;
     lv_style_transp_fit.body.padding.top    = 0;
     lv_style_transp_fit.body.padding.bottom = 0;
 
     /*Transparent tight style*/
-    memcpy(&lv_style_transp_tight, &lv_style_transp_fit, sizeof(lv_style_t));
+    lv_style_copy(&lv_style_transp_tight, &lv_style_transp_fit);
     lv_style_transp_tight.body.padding.inner = 0;
 
     /*Button released style*/
-    memcpy(&lv_style_btn_rel, &lv_style_plain, sizeof(lv_style_t));
+    lv_style_copy(&lv_style_btn_rel, &lv_style_plain);
     lv_style_btn_rel.body.main_color     = lv_color_make(0x76, 0xa2, 0xd0);
     lv_style_btn_rel.body.grad_color     = lv_color_make(0x19, 0x3a, 0x5d);
     lv_style_btn_rel.body.radius         = LV_DPI / 15;
@@ -187,7 +187,7 @@ void lv_style_init(void)
     lv_style_btn_rel.image.color         = lv_color_make(0xff, 0xff, 0xff);
 
     /*Button pressed style*/
-    memcpy(&lv_style_btn_pr, &lv_style_btn_rel, sizeof(lv_style_t));
+    lv_style_copy(&lv_style_btn_pr, &lv_style_btn_rel);
     lv_style_btn_pr.body.main_color = lv_color_make(0x33, 0x62, 0x94);
     lv_style_btn_pr.body.grad_color = lv_color_make(0x10, 0x26, 0x3c);
     lv_style_btn_pr.text.color      = lv_color_make(0xa4, 0xb5, 0xc6);
@@ -195,7 +195,7 @@ void lv_style_init(void)
     lv_style_btn_pr.line.color      = lv_color_make(0xa4, 0xb5, 0xc6);
 
     /*Button toggle released style*/
-    memcpy(&lv_style_btn_tgl_rel, &lv_style_btn_rel, sizeof(lv_style_t));
+    lv_style_copy(&lv_style_btn_tgl_rel, &lv_style_btn_rel);
     lv_style_btn_tgl_rel.body.main_color   = lv_color_make(0x0a, 0x11, 0x22);
     lv_style_btn_tgl_rel.body.grad_color   = lv_color_make(0x37, 0x62, 0x90);
     lv_style_btn_tgl_rel.body.border.color = lv_color_make(0x01, 0x07, 0x0d);
@@ -204,7 +204,7 @@ void lv_style_init(void)
     lv_style_btn_tgl_rel.line.color        = lv_color_make(0xc8, 0xdd, 0xf4);
 
     /*Button toggle pressed style*/
-    memcpy(&lv_style_btn_tgl_pr, &lv_style_btn_tgl_rel, sizeof(lv_style_t));
+    lv_style_copy(&lv_style_btn_tgl_pr, &lv_style_btn_tgl_rel);
     lv_style_btn_tgl_pr.body.main_color = lv_color_make(0x02, 0x14, 0x27);
     lv_style_btn_tgl_pr.body.grad_color = lv_color_make(0x2b, 0x4c, 0x70);
     lv_style_btn_tgl_pr.text.color      = lv_color_make(0xa4, 0xb5, 0xc6);
@@ -212,7 +212,7 @@ void lv_style_init(void)
     lv_style_btn_tgl_pr.line.color      = lv_color_make(0xa4, 0xb5, 0xc6);
 
     /*Button inactive style*/
-    memcpy(&lv_style_btn_ina, &lv_style_btn_rel, sizeof(lv_style_t));
+    lv_style_copy(&lv_style_btn_ina, &lv_style_btn_rel);
     lv_style_btn_ina.body.main_color   = lv_color_make(0xd8, 0xd8, 0xd8);
     lv_style_btn_ina.body.grad_color   = lv_color_make(0xd8, 0xd8, 0xd8);
     lv_style_btn_ina.body.border.color = lv_color_make(0x90, 0x90, 0x90);
diff --git a/src/lv_objx/lv_lmeter.c b/src/lv_objx/lv_lmeter.c
index d3cf29c34..f956412dd 100644
--- a/src/lv_objx/lv_lmeter.c
+++ b/src/lv_objx/lv_lmeter.c
@@ -253,7 +253,7 @@ static bool lv_lmeter_design(lv_obj_t * lmeter, const lv_area_t * mask, lv_desig
         const lv_style_t * style    = lv_obj_get_style(lmeter);
         lv_opa_t opa_scale    = lv_obj_get_opa_scale(lmeter);
         lv_style_t style_tmp;
-        memcpy(&style_tmp, style, sizeof(lv_style_t));
+        lv_style_copy(&style_tmp, style);
 
 #if LV_USE_GROUP
         lv_group_t * g = lv_obj_get_group(lmeter);