diff --git a/src/extra/themes/basic/lv_theme_basic.c b/src/extra/themes/basic/lv_theme_basic.c
index 8ff8627c8a..a68f10ab3f 100644
--- a/src/extra/themes/basic/lv_theme_basic.c
+++ b/src/extra/themes/basic/lv_theme_basic.c
@@ -50,6 +50,7 @@ static void theme_apply(lv_theme_t * th, lv_obj_t * obj);
  **********************/
 static my_theme_styles_t * styles;
 static lv_theme_t theme;
+static bool inited;
 
 /**********************
  *      MACROS
@@ -131,6 +132,7 @@ lv_theme_t * lv_theme_basic_init(lv_disp_t * disp)
      *styles' data if LVGL is used in a binding (e.g. Micropython)
      *In a general case styles could be in simple `static lv_style_t my_style...` variables*/
     if(!lv_theme_basic_is_inited()) {
+        inited = false;
         LV_GC_ROOT(_lv_theme_default_styles) = lv_mem_alloc(sizeof(my_theme_styles_t));
         styles = (my_theme_styles_t *)LV_GC_ROOT(_lv_theme_default_styles);
     }
@@ -147,6 +149,8 @@ lv_theme_t * lv_theme_basic_init(lv_disp_t * disp)
         lv_obj_report_style_change(NULL);
     }
 
+    inited = true;
+
     return (lv_theme_t *)&theme;
 }
 
@@ -379,7 +383,7 @@ static void theme_apply(lv_theme_t * th, lv_obj_t * obj)
 
 static void style_init_reset(lv_style_t * style)
 {
-    if(lv_theme_basic_is_inited()) {
+    if(inited) {
         lv_style_reset(style);
     }
     else {
diff --git a/src/extra/themes/default/lv_theme_default.c b/src/extra/themes/default/lv_theme_default.c
index eaf701c872..566343d9b1 100644
--- a/src/extra/themes/default/lv_theme_default.c
+++ b/src/extra/themes/default/lv_theme_default.c
@@ -177,6 +177,7 @@ static lv_color_t color_scr;
 static lv_color_t color_text;
 static lv_color_t color_card;
 static lv_color_t color_grey;
+static bool inited = false;
 
 
 /**********************
@@ -647,6 +648,7 @@ lv_theme_t * lv_theme_default_init(lv_disp_t * disp, lv_color_t color_primary, l
      *styles' data if LVGL is used in a binding (e.g. Micropython)
      *In a general case styles could be in simple `static lv_style_t my_style...` variables*/
     if(!lv_theme_default_is_inited()) {
+        inited = false;
         LV_GC_ROOT(_lv_theme_default_styles) = lv_mem_alloc(sizeof(my_theme_styles_t));
         styles = (my_theme_styles_t *)LV_GC_ROOT(_lv_theme_default_styles);
     }
@@ -668,6 +670,8 @@ lv_theme_t * lv_theme_default_init(lv_disp_t * disp, lv_color_t color_primary, l
 
     if(disp == NULL || lv_disp_get_theme(disp) == &theme) lv_obj_report_style_change(NULL);
 
+    inited = true;
+
     return (lv_theme_t *)&theme;
 }
 
@@ -1160,7 +1164,7 @@ static void theme_apply(lv_theme_t * th, lv_obj_t * obj)
 
 static void style_init_reset(lv_style_t * style)
 {
-    if(lv_theme_default_is_inited()) {
+    if(inited) {
         lv_style_reset(style);
     }
     else {
diff --git a/src/extra/themes/mono/lv_theme_mono.c b/src/extra/themes/mono/lv_theme_mono.c
index af21e5054d..79d4383d86 100644
--- a/src/extra/themes/mono/lv_theme_mono.c
+++ b/src/extra/themes/mono/lv_theme_mono.c
@@ -64,6 +64,7 @@ static void theme_apply(lv_theme_t * th, lv_obj_t * obj);
  **********************/
 static my_theme_styles_t * styles;
 static lv_theme_t theme;
+static bool inited;
 
 /**********************
  *      MACROS
@@ -175,6 +176,7 @@ lv_theme_t * lv_theme_mono_init(lv_disp_t * disp, bool dark_bg, const lv_font_t
      *styles' data if LVGL is used in a binding (e.g. Micropython)
      *In a general case styles could be in simple `static lv_style_t my_style...` variables*/
     if(!lv_theme_mono_is_inited()) {
+        inited = false;
         LV_GC_ROOT(_lv_theme_default_styles) = lv_mem_alloc(sizeof(my_theme_styles_t));
         styles = (my_theme_styles_t *)LV_GC_ROOT(_lv_theme_default_styles);
     }
@@ -189,6 +191,8 @@ lv_theme_t * lv_theme_mono_init(lv_disp_t * disp, bool dark_bg, const lv_font_t
 
     if(disp == NULL || lv_disp_get_theme(disp) == &theme) lv_obj_report_style_change(NULL);
 
+    inited = true;
+
     return (lv_theme_t *)&theme;
 }
 
@@ -489,7 +493,7 @@ static void theme_apply(lv_theme_t * th, lv_obj_t * obj)
 
 static void style_init_reset(lv_style_t * style)
 {
-    if(lv_theme_mono_is_inited()) {
+    if(inited) {
         lv_style_reset(style);
     }
     else {